I much prefer the use of rubber bands cut from a bicycle innertube. Very clean/streamlined...... put a couple of loops of bungee...
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As a general comment on hose routing ... when using a single regulator it's really a "you can't get there from here" situation, at least for me. I like all hoses initially coming as close to straight down as possible, and there just arent that many lp ports on the same side of a single first stage - at least not on any I'm familiar with.
So you're stuck with some kind of compromise...
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Oh, and as a general comment on Bill Main & Hogarthian rigging... He's still futzing (futz: v. to adjust, modify, improve, experiment, and generally try every combination and permutation possible in the endless search for the perfect solution) with his rig; I'm just getting started ... It is not unusual to see a techie spending a couple of hours futzing with his/her rig at any time of the day or night, producing no apparent changes...
Rick