Bloc Loc Flying Geese Ruler 1 1/2 x 3
"The Best Quilting Innovation Since the Ruler” Take your quilting to a whole new level. Square up 90% faster, easier and safer. Control where your seams go!
Totally eliminates ruler rock. The groove gives everyone an instant skill boost, forcing the seams to go into the corners (or wherever they're supposed to go) while speeding up the trimming process.