Renzetti Au Sable Speed Crank is a precision fly tying attachment that speeds wraps around the hook shank with a 2:1 ratio. Originating from the late Rusty Gates, owner of the Au Sable Lodge in Michigan, this tool is designed to cut tying time in half when winding a lot of material. The image shows the Au Sable Speed Crank mounted on a Master Clouser Arm; vise not included. This attachment is designed to support fast, repeatable wraps during long tying sessions, helping you maintain rhythm and accuracy. This design reflects the legacy of Rusty Gates and his Au Sable Lodge craftsmanship. - 2:1 winding ratio enables rapid wraps around the hook shank - Reduces tying time when winding a lot of material - Shown mounted on a Master Clouser Arm; vise not included - Originated by Rusty Gates of Au Sable Lodge in Michigan It remains a focused solution for anglers and tiers who value precision and speed without sacrificing wrap quality.