GoPro HERO12 Black Creator Edition - Includes HERO12 Black , Volta (Battery Grip, Tripod, Remote), Media Mod, Light Mod, Enduro Battery, and Carrying Case - Walmart.com
GoPro Karma Grip Extension Cable Black AGNCK-001 - Best Buy
Karma Grip update page
Amazon.com : GoPro Karma Harness for HERO4 (GoPro Official Accessory) : Electronics