How To: Cast on and knit using a circular loom - YouTube
Knit a Slouchy Hat on a Round Loom : 12 Steps (with Pictures) - Instructables
Amazon.com: JAMIT Round Knitting Looms Set Craft Kit DIY Tool with Hook Needle, Set of 5 Plastic Looms Knitting for Hat Scarf Shawl Sweater Sock and Blankets : Arts, Crafts & Sewing