Lazy K Induction Cooktop Mat - Silicone Fiberglass Scratch Protector - for Magnetic Stove - Non Slip Pads to Prevent Pots from Sliding During Cooking_ Black (9.4inches)

I don't, but I only have a portable induction cooktop. We also have a gas oven/stove. I have heard from lots of folks that silicone induction cooktop mats work well. Here's an example.