1.Specially designed item for gimbals that works with a sling handgrip to release more than 80% stress for your hands and arms; 2.Two QD sling swivels for quick attachment and release in different modes; 3.Two slide buckles for easy adjustment of strap length; 4.1/4-20 inch and 3/8-16 inch threaded holes in the baseplate for tripods or other devices. Description Shoulder Strap for 4 / 4 Pro / 3 / 3 Pro / 2 4118B works with a sling handgrip like 3028B, 3028C, for sling handgrip or any other one with a 1/4-20 inch threaded hole on the top to make for more labor-saving . Attach the baseplate to the bottom of a for gimbal via the 1/4-20 inch screw, sling the shoulder strap over your right shoulder, and extend the tripod. When you , just pick up the gimbal; in static shot, it can release almost all stress on your arms. When you don't , just let go of the gimbal and sling it against you front or against your side like a shoulder bag, reducing arm's burden. At both ends of the shoulder strap there are two QD sling swivels that support weight of up to 30kg and provide multiple mounting solutions. Note:A sling handgrip is needed. 4118 is not compatible with 3 mini, 4 mini, C 2 Compatibility: for 4 for 4 Pro for 3 for 3 Pro for 2 Color: Grey Material: Nylon Package Contents: 1 x Decompression Strap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.