Bekijk hieronder de prijsontwikkeling van de Butterfly Helmet Mount Adapter with 3-Way Pivot Arm & J-Hook Buckle & Long Screw for GoPro HERO10 Black / HERO9 Black / HERO8 Black /7 /6 /5 /5 Session /4 Session /4 /3+ /3 /2 /1 DJI Osmo Action Xiaoyi and Other Action Cameras (Black).