1. Find the toolbox where the side knife is located in the workplace or other places, and then take out the side knife from the random toolbox of the binding machine.

2. After taking out the offset knife from the random toolbox of the binding machine, clamp the offset knife between the punching rivet and the data to find out the pinch point position.

3. After finding the position of the clamping point, stabilize it with lever method, and cut the pressed upper part with both hands.

4. Take out the rivet from the reverse side with both hands, rotate it outward, and pull it out from the reverse side for disassembly.