Need to sley a reed in double-quick time? Try our amazing and mysterious Patent Denter (a.k.a. reed mouse, because it creeps unseen from dent to dent). Call it what you like, it works, and youll be both surprised and delighted at how much easier and faster it makes pulling yarn through a reed. Get one today and we almost guarantee youll call to thank us tomorrow. Works with any reed up to 30 DPI.