Spud Dynamite Stick Long FuseSpud Dynamite Stick Long Fuse The Spud Inc Dynamite Stick Long Fuse takes traditional grip training and adds versatility through its extended 20 inch strap design. Compact enough to fit in any gym bag yet rugged enough for years of heavy use, it is an excellent tool for athletes looking to build stronger hands, forearms, and pulling strength. Built with durable woven nylon and a rubber coated steel handle, the Long Fuse easily attaches to cable