1. Punch assisted pull-ups. There is something that rotates like a screw at both ends of the instrument. You can loosen the screw and take it off.
2. Punch-free pull-ups can be removed by means of a hair dryer. The concrete disassembly steps are as follows: blowing glue with a hot air blower to soften it, cutting with a blade, scraping off residual glue and repairing the wall.