How to adjust the unstable cover of leather case

Adjustment method of unstable cover of leather shell machine.

1, it should not be loose or loose after cutting, and the cover should be shaken during installation.

2. Each cover has static electricity, which must be eliminated when the cover is surface treated.

3. When the cover surface is treated, a part of the adhesive will remain, and it can be evenly spread by spraying powder or other similar materials in the untreated place.