Hammerhead Industries Gear Keeper AC0-0982 Quick Connect II Octopus Holder Quick Connect II (QC II) SCUBA Octopus / Safe 2nd Holder For use with all Gear Keeper Products That Use the Quick Connect II (QC II) System Attaches to Buoyancy Compensator (BC) Using Snap Clip Mount Reliable scure attachment of Octo / Safe Second but quick access when needed Great for rental gear and student