Relativity is a lithograph print by the Dutch artist M. C. Escher. It is also the inspiration for the spiral shape of the Briq’s one of a kind interior. People often think of concrete as this rigid, static construct. In reality, it’s alive and raw. It swirls and spirals. It often doesn’t fit the mold. Just like you. So embrace the little differences because this is your new ashtray. Fall in love with it.--Features:--Four joint rests Walnut lid to hide ash