American Crafts We R Memory Keepers CINCH - BOOK BINDING TOOL - Square 662789. The Cinch Book Binding Machine by We R Memory Keepers makes book binding quick, easy and affordable. It is the best binding tool on the market for home, school and office projects. Punch perfect holes with customizable hole spacing on any size project. The Cinch is great for making mini albums, recipe books, presentations and more. Find out for yourself why scrap bookers, crafters and mix media artists are trading in their old binding systems for the Cinch.