Well when I say collars largely what I am referring to are the dome collars or beehive collars. The small ring collars often can't be saved. I still try to save them if I can but I'd rather replace.them.with ones that will look nice than reuse ones that are damaged. A big portion of it is removing them surgically rather than grinding them down to the scale but often even then they have been squashed or split during the pinning process.

The dome, beehive and other ornamental ones I always try to save.