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pinking shears
Pinking shears are scissors, the blaes of which are sawtoothed instead of straight. Pinking shears leave a zigzag pattern instead of a straight edge.
Trivia about pinking shears
A "colorful" name for serrated scissors
These serrated scissors used in sewing give a zigzag edge to cloth
These shears have V-shapes along the cutting edge so that cut fabric will remain ravel-free