Gankyil
The Gankyil (Tibetan: དགའ་འཁྱིལ།, Lhasa [kã˥ kʲʰiː˥]) or "wheel of joy" (Sanskrit: ānanda-cakra) is a symbol and ritual tool used in Tibetan and East Asian Buddhism. It is composed of three (sometimes two or four) swirling and interconnected blades.