Here is a goal: How to fold bottle cap crease.

Which way makes more sense to accomplish this goal?

[-] Using pliers, put pressure on the outer crease so when you close the pliers the crease will fold inward. Repeat on all sides.. [-] Using mittens, put pressure on the outer crease so when you close the mittens the crease will fold inward. Repeat on all sides..
Using pliers, put pressure on the outer crease so when you close the pliers the crease will fold inward. Repeat on all sides.