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I used adhesive rubber feet when I did similar (presuming this is for base). In combination with the weight gave plenty of grip, and slight clearance from worktop makes them much easier to pick up when you are want to move.
I like this plan. I was going to use sheets of chequer plate effect rubber I've got loads of, due to a cm/mm mix-up on my part, but feet would definitely make them easier to pick up.
Any tips on the best adhesive to stick a sheet of rubber to a bit of quartz worktop? Making some chunky quartz cutting boards.