The phot r clamp flex arm with c clamp will clamp on to virtually anything in your photo studio to provide you with flexibility to mount your camera or accessories wherever you need them most you can use it to clamp on to light stands background supports boom arms and any other location you can think of this is a clamp with a c clamp attached together by a flexible metal arm the metal framed clips holder is has strong spring built inside ideally suitable for collapsible reflectors bac