Sewing-Machine Teeth That Draw Fabric Through

This page is the CodyCross answer for the clue below from A Sweet Life, Group 1093, Puzzle 3 (Melted Smores).

Question is: Sewing-Machine Teeth That Draw Fabric Through

and the answer is: FEEDDOG

Word Meaning:

FEED DOG — (sewing) On a sewing machine, the toothed mechanism that uses a forward, down, back, and up motion against the presser foot to advance the fabric through the machine evenly.

Definitions from Wiktionary.