Amazon.com: XIAOMINDIAN Black Handheld Gimbal Mount Adapter Switch Plate with Square Fixed Clip for Gopro Hero 7/6/5/4/3+/Session Camera for DJI Osmo Mobile Action Camera Accessories Mounts Clamps Camera Mount : Electronics
GoPro Session mount adapter for Smooth Q gimbal (58L5JWNLT) by daveFM
FeiyuTech WG2 Waterproof Gimbal for GoPro Hero5/4/Session/Similar Size