cj_86 sells, custom made tank feet, straps and all kinds of cool stuff here on AGN. The products are great, he makes them fast, with your name on them if you want and the prices are great. I’ll post a picture of mine but I’ll try and find you a link to his for sale page too.
I’m trying to figure out how to paste the link...I’m working on it.
You can make your own from braided rope. A CLOVE HITCH will not slide on a cylinder. Tie one near each end and fashion a handle with rope going thru flexible tubing.
The clove hitch is what cowboys used to tie their horses to a horizontal hitching post.