Amazon.com : GoPro Karma Case (GoPro Official Accessory) : Electronics
Amazon.com : GoPro Karma Grip for GoPro Hero7 Black/Hero6 Black/Hero5 Black (GoPro Official Accessory) : Electronics
Amazon.com : hohem iSteady Pro 4 3-Axis Gimbal Stabilizer for Gopro 11/10/9 8/7/6/5, for Osmo Action and Other Action Cameras - Support Bluetooth & Cable Control,IPX4 Splash Proof with Tripod : Electronics
GoPro Karma Grip Review | Gimbal for the GoPro Hero5 Black | Digital Trends
Hands-on with GoPro's $300 Karma Grip camera stabilizer - CNET