The beautiful machine work to make most of these locks was done by:
Phil aka the “l0ckcr4ck3r”
YouTube: https://www.youtube.com/user/l0ckcr4ck3r
And the stunning photography to reveal the inner beauty of the locks was by:
Dirk Beumer aka the “Camera Man”
Website: http://www.dirk-beumer.de/
YouTube: https://www.youtube.com/channel/UCltnYRAdwa9Ty7es4k4VP5A