This is a blue mug shaped like a Tiki head with traditional gritted figure-eight mouth and almond eyes. Three rings around top of mug. Back features a wrench and "#4" in yellow. This mug was designed and manufactured by Wim "Flap" Thielemans for the Gasket Blowers' fourth Greaserfest on April 20th, 2013 at Rick's Place in Sint-Katelijne-Waver, Belgium.