Noun
One who, or that which, crimps
A curved board or frame over which the upper of a boot or shoe is stretched to the required shape.
Source: Webster's dictionarya woman with her head full of curlers is not a pretty sight Source: Internet
From a globe to a pie crimper, a butter churn to a rocking horse, this unique collection highlights fourteen one-of-a-kind objects — each one drafted, stitched, painted, or engraved by hand. Source: Internet
Next, use your fingers, the tines of a fork, or a pie crimper to crimp the two layers of dough together. Source: Internet