-Falcam F38 backpack strap clamp -Both base mount & top cap mount are come with arca 38mm standard, it could be applied to arca swiss plate tripod mount in market. -Allows super quick switch in various shooting scenes by one button. -Top cap moun are come with arca 38mm standard, it could be applied to arca swiss plate tripod mount in market. -With numerous test and practical use, the quality and design is very stable and reliable. -Well connect with mount plate, no shake in strenuous movement. -Knob lock design, easy to use; much more stable with 3-point fixation -In cold winter outdoor if wearing gloves, you can use the camera mount without any issue. -Applicable with various shooting device,with 1/4" 3/8" thread screw -CNC processing, atomized sandblasting and anodized surface, durable and reliable -Large Bearing load,Up to 15kg bearing load after tests.