MichaelMc
Working toward Cenotes
True, we need them to make UV resistant inner tubes. I’ve been threading mine with a slanted H harness which makes rethreading and changes much less painful.I used to use inner tube pieces for a lot of stuff. I have gotten away from that because they degrade and break - eventually. And then to replace one, you have to unthread however much of your harness to get to where you can put a new one on.
Now, I put a tri-slide in whatever spot I would have put inner tube, and then just tie a loop of bungee cord through that. It works great. Lasts a lot longer, and is much easier to change or replace the bungee.
I do still use inner tube on my waist belt, to tame the extra webbing that comes out of the buckle, so I have that length available, if I need to make the waist belt longer. Also, the inner tube helps keep stuff like my trauma shears pouch from moving around as much. The inner tube pieces on my waist belt are easy to replace without unthreading the harness - unlike pieces on the shoulder straps.