Quark – world's smallest waterproof stabilizer for GoPro & other action cameras - Newsshooter
Gopro Hero 4 Gyro Stabilizer | Gyro Camera Gopro Stabilizer - Sports & Action Video Cameras Accessories - Aliexpress
Amazon.com : Magnetic Action Camera Mount for GoPro, Heavy Duty Metal Car Magnetic Camera Mount with 360 Degree Tripod Ball Head Compatible with GoPro Hero 12/11/10/9/8 Black, DJI Osmo Action 4/3 and More : Electronics
Tarot RC GOPRO Brushless Gimbal without Tarot Gyroscope