Crochet Bags Patterns A Stitch At A Time for Amy B Stitched: Poop Bag Holder FREE Crochet Pattern - I was looking for an alternative to the hard plastic cases for carrying rolls of poop bags to attach to my dogs leash. Free Crochet Bag, Crochet Shell Stitch, Crochet Gratis, Crochet Bags, Crochet For Dogs, Beaded Crochet, Crochet Purses, Irish Crochet, Single Crochet