Best Buy: 3-Axis Gimbal Stabilizer for GoPro 813125025984
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