The Leofoto GO-125 Go Stick can be used both as a monopod and as a monopod extension piece. The end with the twist leg lock segments has a ¼ inch mounting stud. There is a ¼ inch threaded mounting socket at the end of the brown rubber handle. Simply mount the foot spike and a ball head to use the GO-125 as a monopod or attach it directly to another monopod as an extension.