2).use,single-armpinatthebackofhishandsplacedfirmlysteppingononelegalittleperspectivecanstartcross-barcanbeplacedinanycombinationtoachievethedesiredphotochoruseffect.foldedawayjustasingleHandperspectiveofalittlehardtomentioncross-bar,youcanputaway,theuseofsetsafetybutton,thechorussetsspanfixed,tiltedback45degrees,youcanmoveinanysingleperson.)