Good choice for POV/VLOG. The phone can be placed horizontally and vertically. The design with J-hook and long screw allows the phone to rotate 90°. The size of this strap is easily adjustable and fits even the largest winter jackets, fits wide body size. Quick connection The smartphone chest strap mount with J-HOOK is easy to install and remove your phone, which can be done in just one second. It is very convenient. Stable structure There are two non-slip rubber pads at the bottom and top of the phone holder; When you use the included mini wrench to attach the long screw to the J-hook mount, the mobile phone clamp will be in accordance with your adjusted angle, stable shooting, no slipping. Multi PurposeSuitable for mountain biking, skiing, snowboarding, motocross, paddle sports, cliff diving, wakeboarding and other action sports, not intended for running or high-intensity activities.