Hookah heat management accessory patent (Kaloud)

https://patents.google.com/patent/US9237770B2/en

A Hookah Heat Management Accessory comprising a base plate configured to rest on the tobacco bowl sitting on the top of a Hookah and which conducts heat from charcoal, or other heat source, to the tobacco beneath it; an insulating wall connected to the base plate; an inner lid that mates to the aforementioned wall piece; and an outer lid that is loosely attached to the inner lid allowing for rotation, ventilation, and thermal regulation.