Pardon the dust and debris on them but here are a couple photos. They're easy to remove and replace, so I took it off for a photo of the ziptie by its-self. The mouthpiece is from a snorkel, wife broke her mouthpiece on our last dive trip and she liked the way the snorkel fit into her mouth so....
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My buddy last week in my Cavern course had those on his regs and one of them popped off. I would not want one of those on my inflator. Zip ties are cheap, effective and easy.