Finish the end of 1/4 inch shock cord with a closed hook. Use as replacements or for new custom work. Compatible with the Deck Net Kit, our Bungee Cord by the foot and most other shock cord used as kayak deck rigging including 3/16 inch cord. Clips onto strap eyes easily. To assemble; Slip collar onto shock cord, slip hook onto end of cord, slide collar onto hook base, teeth will bite into bungee cord. Made of plastic. ITW Nexus.