Cando bungee exercise cord with attachments, 4′ cord, gold each cord has a snap-hook on one end and a door jamb nub and a loop anchor on the other end. To use, attach snap-hook on one end of bungee cord to d-ring handles, d-ring straps or d-ring anchors. On the other end of the bungee cord, choose from the following options: grip the loop, use the loop as a foot stirrup, or place nub anchor in a door jamb. Use to perform upper or lower body exercises. 4′ – gold – xxx-heavy.