Home made Gopro Max helmet mount

The link for the selfie stick I used https://www.amazon.co.uk/dp/B01IGNDPKO?ref=ppx_pop_mob_ap_share I'm very happy how this turned out, the helmet feels fine with the GoPro attached + it leaves the front of the helmet free for the other gopro. Uploaded / edited with my phone as I lost my laptop charge, so the biking section is cropped ?