Unbound Tether Bondage Tape in Blue. Unbound Tether Bondage Tape in Blue. Tether can be used to tie someone to the bed, a chair, or just binding their hands or feet together. It can be an incredible way to build trust and communication with a partner.. PVC tape (a stretchy vinyl material). Only sticks to itself Easy to remove and reusable. Vegan and cruelty-free. Contains 50 feet of tape Tape Measures approx 2 in width. UBOU-WU14. TETUBKF-BV. Since its start, Unbound has gone from being a labor of love (translation: they started it in their tiny NYC apartments) to a leader in changing how people explore and enjoy their sex lives. Through their online shop and Unbound Magazine, they believe in the radical possibilities of pleasure and that we are better when we, ahem, come together.