The octo should be routed under your arm so it doesn't snag, or else use a shorter hose.
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I use a seven foot hose for rec diving. The few times I have deployed it made it so much easier to swim side by side than to hold the other diver. It's not just for single file.
Here's a couple of pics I pulled from my archives. How do the hose lengths look?
Without the canister, I remember needing to tuck the hose into my waist strap. Maybe I need to find the 5 footer in my gear box to use without the canister.