Wishbone ToolDESCRIPTION Quickly and easily make speargun rubbers with the use of the Wishbone Knot Maker. The tool has been designed to make it easier to insert wishbone beads into the narrow centre hole of speargun rubber eliminating the need for long nose pliers and pinched fingers. TECHNICAL INFORMATION Make your own speargun rubbers Easier insertion of wishbone beads to rubber Eliminates need for long nose pliers