Applications -- Pellking phone harness is suitable for skiing, fishing, cycling, motorcycling, hands-free for video commentary. We do not recommend using it to record video while jumping and running, when you turn on the anti-shake function of your phone, the film effect will be better. Excellent choice for POV/VLOG -- The phone can be placed horizontally and vertically, the design with J-hook and long screw can make the phone rotate 90°, the size of this strap is easily adjustable, fits even over the largest winter jackets, fits a wide range of body sizes. 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 fasten the long screw on the J-hook mount, the mobile phone clip will be according to your adjusted angle, stable shooting, will not slip. Quick connection -- The smartphone chest strap mount with J-HOOK can easily install and remove your phone, which can be disassembled in just one second. It is very convenient. We not only provide you with high-quality products, but more importantly, we provide you with a long-term after-sales guarantee. When you purchase our products, you will receive a full range of after-sales support, allowing you to shop with confidence and satisfaction.