Gyromatic Go2X Brushless Gimbal Stabilizer For Your GoPro:
3-axis Gimbal Stabilizer For Gopro 8 Action Camera Handheld Gimbal For Gopro Hero 8,7,6,5,4,3 - Stabilizers - AliExpress
USED *** Glide Gear Scopio 3-Axis Handheld Gyro Stabilizer For GoPro | eBay
Amazon.com : hohem iSteady Pro 4 3-Axis Gimbal Stabilizer for GoPro 12/11/10/9 8/7/6/5, for Osmo Action and Other Action Cameras,Support Bluetooth & Cable Control, IPX4 Splash Proof with Tripod : Electronics