There are copper wire buckle and floppy disk buckle at the buckle point of manual disk. As the name implies, the copper wire buckle is a buckle made of copper wire, which can be used to make many different shapes of buckles (the copper wire buckle is shown above).

The most classic floppy disk buckle is the one-word buckle:

One word buckle

The practice of one-word deduction:

One-word button diagram

The practice of copper wire buckle:

(The specific buckle needs to be folded according to your own style.)