Easy Crochet Headband Translation: Crochet headbands. Detroit soft red heart yarn, crochet hook No. 5. 1st round: Crochet 20 ch. 2nd round: crochet back with poles in the back loop, beginning in the third stitch from hook. 3rd round: 3 ch (acts as first post), plus poles in back loop of line out. = ch 3 + 17 poles. Yards 4-39: as row 3 Crochet headband together into a circle with dc.