This skull design was originally manufactured by Munktiki as a salt & pepper set. Each skull has round sunken eye sockets, an inverted v-shaped nasal cavity and eight clenched teeth. This mug is a collaboration with Munktiki that was cast, assembled, and glazed by Ocea Otica (Cass McClure) utilizing the original salt & pepper molds. Four of these mugs were made, each one unique (a black one with red eyes, mottled brown, green & black, and orange & blue with green eyes).