Turning it on high will likely make it very hard to clean as the juices will burn onto the rollers. Just find a temp that keeps them hot and just use that all time.
I bought some "Perfect Padded Rail" back in my early table building days, about 15 years ago. It was junk and I threw it away. Not sure if it was the same product you are asking about, but I what I bought was horrible.
We play NL $1/2, including circus games. Buy-in for whatever you like, no max. Some buy in for $200 others up to $500. Re-buys for what ever you like. Works for us.
The big blind or the next player to be in the big blind. They are moved to the worst position at the new table. Meaning in the big blind or the next open seat to the left of the big blind.
These are the best ones I have found. https://www.tableclothworld.com/Vinyl-Oval-Tablecloths-Elastic-Grip-p/100tcvinylelasticoval.htm
They do ovals and rounds. Made to order for your table size and shape.