@knot_so_hard: Crochet Convertible Cup Sleeve Keychain | Easy 4 Ply Milk Cotton DIY Crochet a cute convertible cup sleeve keychain using 4 ply milk cotton yarn and a 2.0 mm crochet hook. This beginner-friendly project folds into a bag charm and unfolds into a reusable cup sleeve. #Crochet #CupSleeve #MilkCottonYarn #CrochetKeychain #CrochetTutorial