Gunlock is the site of the Annual Gunlock Rodeo. A "gunlock" was a flintlock mechanism that fired a cannon. The park and reservoir are named after the nearby community of Gunlock. Veyo became a distinct community from Gunlock in 1918. In the Reload Gunlock anime, Hazel has a different origin. In the Reload Gunlock anime, Gat's origin is different. Gunlock State Park is a primitive area; there are no facilities. Contact with the hull triggered a gunlock mechanism. The gunlock was operated by pulling a cord, or lanyard. The town was named after William "Gunlock Will" Hamblin, its first settler. The gunlock was operated by pulling a cord, known as a lanyard. The gunlock, by contrast, was operated by pulling a cord or lanyard. Gunlock State Park is a state park of Utah, USA, adjoining a reservoir. The game was also titled Gunlock in European arcades.