Locking Loops Locker Hooking Kit Plus Book - Mosaic Mat - Santa Fe Get started with locker hooking! Everything you need is in this kit. Including: The "Locking Loops" book by Theresa Pulido and all tools and materials. You'll create a colorful and artistic mosaic mat with hand-dyed fabric strips. The kit guides you to follow along with the book with great results. Get inspired by using rich colors to create! See images from book projects.