CanDo exercise bungee cord with attachments, 4', set of 5 (yellow through black)CanDo exercise bungee cord with attachments, 4', set of 5 (yellow through black) 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