Incidentally, headstock footage is typically rather seasick-inducing. Assuming you don't stand like a statue while you play, you'll most likely be searching for a few 3-sec and 5-sec shots where the headstock was at least relatively still so the clips can be slotted into fixed-camera footage.
That being the case, you do have the option to strap a Q2n to your headstock at sound check or a few minutes before the gig starts, grab 30 seconds of decent footage (while you mime playing) and then remove all the gubbins for the actual gig. Just saying ...