Mouthpiece and Octopus Holder for any Scuba Octopus 2nd Stage (MSRP $9) Scuba Essentials by DiveCatalog Quit damaging your octopus by dragging it on the bottom! Fits into regulator mouthpiece Great for holding octopus 2nd stage in place Keeps your octo right where you want it Blocks the mouthpiece opening to keep it free of sand or dirt