The following items can be found on Amazon or at your local craft store:
5 mm Jump Ring
18 mm Lobster Clasps
6.5 mm Cord Ends
E6000 Craft Adhesive
2 Jewelry Pliers
Cut parachute cord to approximately 14.5 inches (or desired length).
Put a dab of adhesive on the end of the cord. Place in the cord end. Using pliers, attach the jump ring to the cord end and then to the lobster clasp.