A pack of 4 of the newly updated version 4 Anchor attachments for use with any Peak Design camera strap. With spare Anchors you can use Peak Design straps with additional camera bodies, wearable POV video devices, binoculars, compasses, water bottles - the possibilities are endless. Having extra Anchors on hand will let you use your Peak Design straps with additional camera bodies. But don't stop there. Connect Anchors to binoculars, rangefinders, tripods, compasses, water bottles and more. Use your Peak Design straps to keep those items safe and accessible.