Locking mechanism: now you can move your heat manager device with hot coals inside using the handle. The lock activates with the slight turn of the cover. Locking mechanism provides easy de-ashing.
Vents on the top, windows on the sides plus holes on the bottom to provide wide range in heat regulation
3D circles at the bottom of the core prevent coals dying out from lack of oxygen.
Silicone handle: very sturdy and manageable even in the middle of the session.