Lawa magilavu ekhanda okulungiselela ukudla okuyi-poly ashelela kuwo ngokushesha futhi kalula, indawo ebhaliwe ivumela ukuphathwa okuthuthukisiwe, futhi idizayini ye-ambidextrous ivumela igilavu ngayinye ukuthi isetshenziselwe noma yisiphi isandla.