Here's an interesting combination device from across the pond: The Hot Stone Grill from Giles and Posner. I've come across similar things here in the States, but most stone cookware seems to be pizza ...

This tomahawk steak hits the hot stone with a fierce sizzle, bringing out bold flavor and rich texture. Grilled outdoors with pure ASMR sound, it’s a feast for your eyes and ears. Blast at a Tennessee ...