Peak Design Clutch Hand Strap brand_MIOM You lock and unlock the

You lock and unlock the ball by rotating the largest leg

but it comes with an M42 adapter

it's just a flash mount

and there's no effect on manual mode in any event

this is exactly the same as a Domke F-2- same dimensions

Peak Design Clutch Hand Strap brand_MIOM You lock and unlock theThe Peak Design Clutch is a streamlined hand strap designed to adjust quickly, and securely attach and detach without too much fussing around. If you're going to be holding on to your camera for a while and you'd like to make it a bit easier on your hands, this could be the ticket. Includes the strap, an anchor link, and a Peak Design tripod plate. In excellent condition.