Amazon.com : MouJkmer Camera Strap,Camera Shoulder Strap with Underarm Strap for DSLR/SLR Camera : Electronics
I built an "AFFORDABLE" shoulder rig for your camera (Smallrig) - YouTube
Shoulder Camcorders - Sony Pro
Amazon.com : Neewer Universal Camera Shoulder Mount, Aluminum Alloy Camera Shoulder Rig, Video Filmmaking System with Movable Shoulder Pad, 15mm Rod, 1/4" 3/8" QR Plate for DSLR Mirrorless Camera Camcorder - ST34 :
Tilta Lightweight Shoulder Rig - Black | Tilta
AJ-CX4000 4K HDR ENG Shoulder-Mount Camcorder | Panasonic