Hello. I purchased a x20 a few months ago not realizing how small it was. After about two months I was maxing it out girth wise, and as you can see pretty much length wise also, so removing the comfort ring was not a option. So I decided to modify it. After cutting it I smoothed out the edge with a bench grinder. Then I wrapped a cloth aroun a drill bit until it was almost the same size as the ring, then wrapped it with sand paper. I had to spin the drill for a while and change the angle of the bit until I got the desired size. Hope this helps someone else out
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