MagSafe Continuity Camera holder for MagSafe compatible devices.
I put a little bit of tape on the side that touches the computer screen to minimise the chance of scratches.
To use it you need to place a magnetic ring in it, like this one that I used:
https://www.temu.com/goods.html_bg_fs=1&goods_id=601099518937319&_x_sessn_id=d5avzpcin0&refer_page_name=bgt_order_detail&refer_page_id=10045_1707076028206_w2okqmmdmq&refer_page_sn=10045