Creative Grids 10 Inch Wonky Log Cabin Trim Tool makes creating wonky log cabin quilt blocks fast and accurate. This specialized ruler helps you trim and square up your blocks to the perfect finished size, taking the guesswork out of the piecing process. The CGRJAW13 is an essential tool for quilters who love the organic, improvisational look of wonky log cabin designs. Available at Glory Bee’s Sewing Center in Fallston, MD.