I use the bore rings also, quick and easy, but I know a lot of people buy ready made chod rigs, so using the bore rings is not an option.
Tie the ring on with some bait floss
Now, why didn't I think of that
Electricians use shrink tubing to cover cables. I brought 10 meters of it off of a well known auction site, for less then a couple of packs of the branded stuff. Works well and comes in different diameters.