__ Stitch, Side-to-Side Sewing That Secures a Hem
Puzzle 18 of Tattoo Shop Pack
Question is: __ Stitch, Side-to-Side Sewing That Secures a Hem
and the answer is: ZIGZAG
Word Meaning:
ZIGZAG — A line or path that proceeds by sharp turns in alternating directions.
Definitions from Wiktionary.