They called it "Rat Bones" and it was used in advertising

100% recycled polyester shell has a DWR (durable water repellent) finish

Truck height: 2

Wood material comes from sustainable sources of supply

Nylon lined

Union Exoframe 3.0/4.0 Ankle Connector - Black $200 - $300 They called it "Rat Bones"Union Exoframe 3. 0 4. 0 Ankle Connector (Set) Replaces lost or worn out Exoframe 3. 0 4. 0 ankle connectors. Includes: Ankle Connectors x 2Compatibility: Compatible with Union bindings that feature Exoframe 3. 0 4. 0 ankle straps. Product Details Made with Durable Dupont Hytrel Material Double Check Your Binding to Ensure Compatibility 3235158 Continue Browsing Men's Union Bindings