The dog chest strap is made of soft material and is filled at all adjustment points to ensure the comfort of your pet. The tension is evenly distributed on the body to prevent pulling and suffocation. Capture the world from your dogs perspective From running, swimming and jumping, to sniffing, digging, etc., enjoy a good time with your dog and leave a good memory. Two mounting locations: back and chest, enable a variety of perspectives to view beautiful world. The quick unloading base makes it easier to install and dismantle the cameras make attaching and removing the camera easy