To fix with goggles, it's easy! Just slide your goggle strap into the mount. You can record whatever you see!  This mount adapter is included with your Bullet HD Wearable Camcorder!  Allows you to shoot any anger at 360 degree!  Just slide your goggle strap into the customized mount, Goggle Strap with width below 40mm is compatible!  You can record whatever you see, you are ready to go!  Using this mount with adjustable silicon straps, you can fix with any kind of non-vented helmets too!