Ditch the Cage with SmallRig's Shoe-Mounted NATO Rail - Suggestion of Motion
Tilta Cold Shoe Expanded Bracket - Black | Tilta
Amazon.com: Movo VB04 Cold Shoe Extension - Accessory Shoe Rail Camera Bracket for Lights, Monitors, Microphones and More : Electronics
Amazon.com : Nitze NATO Handle, Mini Camera Top Handle with NATO Rail and Cold Shoe Adapter, Quick Release NATO Clamp Top Handle for Camera Rigs (Lil Stinger Handle) - PA28M-AK : Electronics
ProMediaGear Cold/Hot Shoe Mountable NATO Rail (3.5") VRNR4 B&H