The Viper VX Buckle Up Clip Set is designed to extend the functionality of any VX Buckle Up System item. It can be mounted using supplied buckles or attached to the MOLLE system. It is perfect when you need to add small accessories to your loadout. The Viper VX buckle-up clip set will allow you to carry thing such as water bottles,masks, gloves etc. Carry a spare carabiner with you to FURTHER extend its capabilities. Small price, BIG difference.