pinking shears
US /ˈpɪŋkɪŋ ˌʃɪrz/
UK /ˈpɪŋkɪŋ ˌʃɪrz/
1.
shears with a serrated blade, used for cutting a zigzag edge in cloth to prevent fraying
:
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She used pinking shears to finish the edges of the fabric.
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Always use pinking shears on fabrics that fray easily.