I have a motor cyclists wrist mount for my phone for exactly this use case (well, so I can use my boroscope camera with two hands and see the video stream while

I have a motor cyclists wrist mount for my phone for exactly this use case (well, so I can use my boroscope camera with two hands and see the video stream while I do). But adding some level of gaze tracking or hands free voice while I use it would also work for say, stopping or starting video playback.