The Aqua Octopus Holder will retain your Alternate Air Source were you attach it to your equipment until you need it. The Aqua Web-Octopus Holder won't allow Octopus to Drag-Along-the-Bottom Collecting Sand or Destroying-the-Reef. The Aqua Octopus Holder design combines a Durable Stretch Cord Holder with Barrel Lock Slide Fastener to retain the included Quality Mouthpiece with a Non-Corrosive Plastic Swivel Gate Clip and Sewn Nylon Webbing Strap for attachment to your Gear. The Aqua Web-Octopus Holder is available in Multiple-Color Options. To Attach the Moutpiece to your Regulator don't forget to get some Tie Wraps (see SKU: AQUTW10).