How to make a bicycle pain patch?

If it only hurts the frame part, go to the print shop to print the sticker and bring it back to paste it yourself. If you want to make things worse, buy a fan tray and put a sticker on it (pictured).

Painful bicycle is not as high as painful bicycle in terms of picture requirements, but the main difficulty is to stick it on it, which needs to test your hands-on ability and patience.