The phot r background clamp will clamp on to virtually anything in your photo studio to provide you with flexibility to mount your camera wherever you need it most you can use it to clamp on to light stands background supports and boom arms just attach it to your camera or flash cold shoe via the tripod screw mount and clamp it wherever you want the ball head can rotate 360 degrees which makes it very convenient for adjusting shooting angles it has rubber caps on the clamp to protect you