Protect your best cookware and stop food from scorches with KitchenCrafts Stovetop Heat Diffuser / Simmer Ring. This handy tool spreads the heat from your hob, so food cooks gently and evenly. This makes it great for those recipes where you need total control over heat, such as simmering sauces or making custard.Its also ideal for protecting delicate ceramic cookware, so you can use your casserole pot or clay tagine on the stovetop!