There are three methods,

1. You can easily tear it off by roasting it on the fire before tearing it off

2. If it has been If there is still some residue after tearing it off, you can use sealing tape (that is, wide transparent tape) to apply it to the remaining area and then peel it off. Repeat a few times to remove the rest.

3. If you don’t have the above two things, you can use an eraser to rub it on it, which is also easy.