OBD Wishbone Applicator tool is made from quality stainless steel and heavy duty nylon. Handy tool for placing bridle inserts or bead ends into spearfishing rubbers. Has a vertical slot for sliding dyneema/wire into and holds the bridle end neatly. Shaped to slide easily into the hollow of the rubber, taking the end/ bead with it. Makes manufacturing your own rubbers from re-usable bridles economical and a breeze.