Universal Retention Kit The Universal Retention Kit is a simple way to add a tourniquet to your Micro Fight Chest Rig MK 4. Simply route the shock cord through provided Cord Locks and then through the grommets on the bottom of your Micro Fight. Use the provided Cord Locks to tighten the elastic loops around your TQ. Sold as a pair. Note: This product may be shown with optional accessories. Made in the USA Mfg: Spiritus Systems