This Folding Smartphone Tripod Adapter from Vidpro lets you use your smartphone with tripods and monopods. The spring-loaded clamp holds devices 2.5 to 3.5" wide and the folding mechanism lets it close down to only 0.4" thick. It has a threaded socket on one end for attachment to tripods and monopods and has a tripod screw on the other for mounting accessories.
UPC: 026127771104