From the Sherril website -   Awarded the 2006 "Innovation of the Year Award" at Germany's GaLaBau Tree & Landscape Show, the Rattle Wedge is an elegantly simple yet effective device. This unique ratcheting screw is used to hold open a back-cut or inspire directional fall of timber parts while working aloft (or sometimes on the ground) without need of hammer and wedge. Especially useful when help isn't available groundside to pull a tag line, the Rattle Wedge works well also for certain gr