diff --git a/packages/greenbox-script/.prettierignore b/packages/greenbox-script/.prettierignore
new file mode 100644
index 0000000..cba51b3
--- /dev/null
+++ b/packages/greenbox-script/.prettierignore
@@ -0,0 +1 @@
+__fixtures__
\ No newline at end of file
diff --git a/packages/greenbox-web/src/components/AlphaImage.tsx b/packages/greenbox-web/src/components/AlphaImage.tsx
index 5aa62f6..113101f 100644
--- a/packages/greenbox-web/src/components/AlphaImage.tsx
+++ b/packages/greenbox-web/src/components/AlphaImage.tsx
@@ -4,7 +4,315 @@ import { useEffect, useMemo, useState } from "react";
 
 import Image from "./Image";
 
-function createAlphaMask(data: Uint8ClampedArray, width: number) {
+function getEraserStartPoints(
+  src: string,
+  numberOfPixels: number,
+  width: number,
+) {
+  const corners = [
+    0,
+    width * 4 - 8,
+    numberOfPixels - width * 4,
+    numberOfPixels - 8,
+  ];
+  switch (src) {
+    case "itemimages/al_ant.gif":
+      corners.push(2468, 908);
+      break;
+    case "itemimages/animskel.gif":
+      corners.push(2816, 1872);
+      break;
+    case "itemimages/catburglar.gif":
+      corners.push(808, 3180, 32);
+      break;
+    case "itemimages/crab.gif":
+      corners.push(1148);
+      break;
+    case "itemimages/crayongoth.gif":
+      corners.push(3308);
+      break;
+    case "itemimages/cuddlefish.gif":
+      corners.push(2948);
+      break;
+    case "itemimages/familiar20.gif":
+      corners.push(2344);
+      break;
+    case "itemimages/familiar33.gif":
+      corners.push(1980);
+      break;
+    case "itemimages/familiar38.gif":
+      corners.push(1980);
+      break;
+    case "itemimages/familiar39.gif":
+      corners.push(52);
+      break;
+    case "itemimages/frankengnome.gif":
+      corners.push(3544);
+      break;
+    case "itemimages/hatrack.gif":
+      corners.push(444, 160, 3292);
+      break;
+    case "itemimages/hobosheep.gif":
+      corners.push(3068);
+      break;
+    case "itemimages/kobold.gif":
+      corners.push(3304);
+      break;
+    case "itemimages/medium_0.gif":
+      corners.push(3184);
+      break;
+    case "itemimages/partymouse.gif":
+      corners.push(3328, 1784);
+      break;
+    case "itemimages/roboreindeer.gif":
+      corners.push(2928, 92);
+      break;
+    case "itemimages/shortchef.gif":
+      corners.push(3424);
+      break;
+    case "itemimages/vampvint.gif":
+      corners.push(2696);
+      break;
+    case "otherimages/sigils/bugbear.gif":
+      corners.push(492);
+      break;
+    case "otherimages/sigils/c20cheer.gif":
+      corners.push(6560);
+      break;
+    case "otherimages/sigils/chalktat.gif":
+      corners.push(2940, 3936);
+      break;
+    case "otherimages/sigils/class11hc.gif":
+      corners.push(4288);
+      break;
+    case "otherimages/sigils/class20hc.gif":
+      corners.push(2712, 6888);
+      break;
+    case "otherimages/sigils/cliptat.gif":
+      corners.push(2144, 7856);
+      break;
+    case "otherimages/sigils/debbietat.gif":
+      corners.push(2636);
+      break;
+    case "otherimages/sigils/dvinntat.gif":
+      corners.push(2256, 7056);
+      break;
+    case "otherimages/sigils/dvotat5.gif":
+      corners.push(5484);
+      break;
+    case "otherimages/sigils/elbereth.gif":
+      corners.push(2852, 2704, 1544, 7552, 7700, 1336, 7896);
+      break;
+    case "otherimages/sigils/elvtat.gif":
+      corners.push(3904);
+      break;
+    case "otherimages/sigils/eternaltat.gif":
+      corners.push(8308, 5904, 3504, 1100, 3852, 6260, 5076, 4728, 5548, 3544);
+      break;
+    case "otherimages/sigils/fibertat.gif":
+      corners.push(7144, 3544);
+      break;
+    case "otherimages/sigils/frtat.gif":
+      corners.push(5904);
+      break;
+    case "otherimages/sigils/gabtat.gif":
+      corners.push(3940, 6736);
+      break;
+    case "otherimages/sigils/hippy.gif":
+      corners.push(3468, 3544, 7540, 7480);
+      break;
+    case "otherimages/sigils/hothobotat.gif":
+      corners.push(7104);
+      break;
+    case "otherimages/sigils/hourtat.gif":
+      corners.push(4740, 4880);
+      break;
+    case "otherimages/sigils/mosstat.gif":
+      corners.push(5368);
+      break;
+    case "otherimages/sigils/nobeer.gif":
+      corners.push(5056, 4352, 7900, 1908);
+      break;
+    case "otherimages/sigils/nofood.gif":
+      corners.push(5652, 2700, 3744);
+      break;
+    case "otherimages/sigils/nosealtat.gif":
+      corners.push(3348, 7312, 1904, 5640);
+      break;
+    case "otherimages/sigils/oxy.gif":
+      corners.push(5052, 4952);
+      break;
+    case "otherimages/sigils/para_tat.gif":
+      corners.push(4556, 5292);
+      break;
+    case "otherimages/sigils/prealmtat.gif":
+      corners.push(1724, 1876);
+      break;
+    case "otherimages/sigils/pressietat.gif":
+      corners.push(2256, 1900);
+      break;
+    case "otherimages/sigils/sailortat.gif":
+      corners.push(1308);
+      break;
+    case "otherimages/sigils/sgtat.gif":
+      corners.push(7704, 1712);
+      break;
+    case "otherimages/sigils/skelepiratetat.gif":
+      corners.push(9308, 6508);
+      break;
+    case "otherimages/sigils/slimetat.gif":
+      corners.push(6940, 3476, 3336);
+      break;
+    case "otherimages/sigils/smoochtat.gif":
+      corners.push(3120, 3084);
+      break;
+    case "otherimages/sigils/spqktat.gif":
+      corners.push(1528, 4488);
+      break;
+    case "otherimages/sigils/sspdfi5if.gif":
+      corners.push(3548);
+      break;
+    case "otherimages/sigils/tc_tat.gif":
+      corners.push(5356, 5492);
+      break;
+    case "otherimages/sigils/vwgovttat.gif":
+      corners.push(4080, 5108, 5136);
+      break;
+    case "otherimages/sigils/vwsnaketat.gif":
+      corners.push(5912);
+      break;
+    case "otherimages/sigils/wickertat.gif":
+      corners.push(6956);
+      break;
+    case "otherimages/sigils/workouttat.gif":
+      corners.push(7840);
+      break;
+    case "otherimages/sigils/wreathtat.gif":
+      corners.push(5504);
+      break;
+    case "otherimages/sigils/wroughttat.gif":
+      corners.push(2716);
+      break;
+    case "otherimages/sigils/zaptat.gif":
+      corners.push(6952, 7896);
+      break;
+    case "otherimages/sigils/zompirtat.gif":
+      corners.push(6300);
+      break;
+    case "otherimages/trophy/anger_management_about_schmidt.gif":
+      corners.push(5424);
+      break;
+    case "otherimages/trophy/angst_with_extra_cheese.gif":
+      corners.push(17664, 18336);
+      break;
+    case "otherimages/trophy/big_head_todd.gif":
+      corners.push(20860, 20744);
+      break;
+    case "otherimages/trophy/but_it_doesnt_love_me_back.gif":
+      corners.push(14472, 15148);
+      break;
+    case "otherimages/trophy/cuppa_cuppa_burning_goo.gif":
+      corners.push(24928, 25072);
+      break;
+    case "otherimages/trophy/garble_varble_zous.gif":
+      corners.push(17560);
+      break;
+    case "otherimages/trophy/garble_varble_zous.gif":
+      corners.push(17652, 17968);
+      break;
+    case "otherimages/trophy/get_oot_eh.gif":
+      corners.push(15552, 15660);
+      break;
+    case "otherimages/trophy/ghuolishly_good.gif":
+      corners.push(15288, 15112);
+      break;
+    case "otherimages/trophy/haggis_is_as_haggis_does.gif":
+      corners.push(15392);
+      break;
+    case "otherimages/trophy/i_had_to_drink_from_the_liquid_cup.gif":
+      corners.push(17672, 15932);
+      break;
+    case "otherimages/trophy/ilovewesley.gif":
+      corners.push(18060, 18752);
+      break;
+    case "otherimages/trophy/in_a_little_toy_shop.gif":
+      corners.push(14864, 15540);
+      break;
+    case "otherimages/trophy/in_deep_end_ents.gif":
+      corners.push(14084, 15520);
+      break;
+    case "otherimages/trophy/jeremiah_was_a_bullfrog.gif":
+      corners.push(14864, 15948);
+      break;
+    case "otherimages/trophy/ladies_and_gentlemen.gif":
+      corners.push(17656, 18344);
+      break;
+    case "otherimages/trophy/look_what_i_can_do.gif":
+      corners.push(15944, 15268);
+      break;
+    case "otherimages/trophy/my_shrimps_was_dead_and_gone.gif":
+      corners.push(17648, 19144);
+      break;
+    case "otherimages/trophy/no_well_ten_beers.gif":
+      corners.push(15660, 15544);
+      break;
+    case "otherimages/trophy/not_wearing_any_pants.gif":
+      corners.push(16064, 15148);
+      break;
+    case "otherimages/trophy/not_worth_the_wait.gif":
+      corners.push(15660, 16352);
+      break;
+    case "otherimages/trophy/papier_i_hardly_know_her.gif":
+      corners.push(9708, 7924, 25080);
+      break;
+    case "otherimages/trophy/run_over_by_grandma.gif":
+      corners.push(15652, 15544);
+      break;
+    case "otherimages/trophy/the_dude_abides.gif":
+      corners.push(16452, 17556);
+      break;
+    case "otherimages/trophy/the_nastiest_cocktail.gif":
+      corners.push(15264, 15948);
+      break;
+    case "otherimages/trophy/this_this_lemonade.gif":
+      corners.push(12280);
+      break;
+    case "otherimages/trophy/yule_be_happy.gif":
+      corners.push(23408, 15848);
+      break;
+    case "itemimages/movfeast.gif":
+      corners.push(2816);
+      break;
+    case "itemimages/sanehatrack.gif":
+      corners.push(288, 440, 3288);
+      break;
+    case "itemimages/medium_small.gif":
+      corners.push(3180);
+      break;
+    case "itemimages/acuteangel.gif":
+      corners.push(3416);
+      break;
+    case "itemimages/buddybjorn.gif":
+      corners.push(2196, 1044);
+      break;
+    case "itemimages/odetobooze.gif":
+      corners.push(1900);
+      break;
+    case "itemimages/prelude.gif":
+      corners.push(2328);
+      break;
+    case "itemimages/garbagenova.gif":
+      corners.push(1860);
+      break;
+  }
+  return corners;
+}
+
+function createAlphaMask(
+  data: Uint8ClampedArray,
+  width: number,
+  startingPoints: number[],
+) {
   const mask = new Uint8ClampedArray(data.length).fill(255);
   const visited = new Set();
 
@@ -36,7 +344,7 @@ function createAlphaMask(data: Uint8ClampedArray, width: number) {
   }
 
   // Start an erase process from each corner
-  [0, width * 4 - 8, data.length - width * 4, data.length - 8].forEach(eraser);
+  startingPoints.forEach(eraser);
 
   return mask;
 }
@@ -87,7 +395,16 @@ export default function AlphaImage({
       const imageBitmap = await createImageBitmap(blob);
       ctx.drawImage(imageBitmap, 0, 0);
       const imageData = ctx.getImageData(0, 0, sourceWidth, sourceHeight);
-      const maskData = createAlphaMask(imageData.data, sourceWidth);
+      const startingPoints = getEraserStartPoints(
+        src,
+        imageData.data.length,
+        sourceWidth,
+      );
+      const maskData = createAlphaMask(
+        imageData.data,
+        sourceWidth,
+        startingPoints,
+      );
       const d = new ImageData(maskData, sourceWidth, sourceHeight);
       ctx.putImageData(d, 0, 0);
       const data = canvas.toDataURL();
diff --git a/packages/greenbox-web/src/components/Thing.tsx b/packages/greenbox-web/src/components/Thing.tsx
index 581cb76..1d2aa4e 100644
--- a/packages/greenbox-web/src/components/Thing.tsx
+++ b/packages/greenbox-web/src/components/Thing.tsx
@@ -1,6 +1,6 @@
 import { Box, LinkBox, LinkOverlay, useToken } from "@chakra-ui/react";
 import he from "he";
-import { forwardRef } from "react";
+import { forwardRef, useEffect, useState } from "react";
 
 import { useAppSelector } from "../hooks";
 
@@ -34,7 +34,7 @@ function styleFromStatus(state: StateType, bg: string) {
     }
     default: {
       return {
-        backgroundColor: bg,
+        backgroundColor: "complete",
       };
     }
   }
@@ -70,11 +70,34 @@ export default forwardRef<HTMLDivElement, Props>(function Thing(
   ref,
 ) {
   const [bg] = useToken("colors", ["accent"]);
+  const [eraserTags, setEraserTags] = useState<number[]>([]);
   const style = styleFromStatus(status, bg);
   const clashes = useAppSelector((state) => state.wikiClashes);
 
   const wikiLink = guessWikiLink(link, name, type, clashes);
 
+  useEffect(() => {
+    const handle = (event: KeyboardEvent) => {
+      if (event.key !== "Shift") return;
+      if (event.type === "keydown") {
+        setEraserTags([]);
+      }
+      if (event.type === "keyup") {
+        if (!eraserTags.length) return;
+        console.log(
+          `case "${image}": corners.push(${eraserTags.join(", ")}); break;`,
+        );
+      }
+    };
+
+    window.addEventListener("keydown", handle);
+    window.addEventListener("keyup", handle);
+    return () => {
+      window.removeEventListener("keydown", handle);
+      window.removeEventListener("keyup", handle);
+    };
+  }, [eraserTags, image]);
+
   return (
     <LinkBox
       ref={ref}
@@ -96,6 +119,19 @@ export default forwardRef<HTMLDivElement, Props>(function Thing(
         filter: style.backgroundColor ? "brightness(90%)" : undefined,
         backgroundColor: style.backgroundColor || "blackAlpha.50",
       }}
+      onClick={(event) => {
+        if (!event.shiftKey) return;
+        const img = event.currentTarget
+          .querySelector("img")
+          ?.getBoundingClientRect();
+        if (!img) return;
+        event.preventDefault();
+        localStorage.removeItem(`alphamask-${image}`);
+        const x = Math.floor(event.clientX - img.left);
+        const y = Math.floor(event.clientY - img.top);
+        setEraserTags([...eraserTags, (y * img.width + x) * 4]);
+        return false;
+      }}
       {...rest}
     >
       {badges && (