Pin-in-Pin FTW! - Mul-T-Lock Classic(?)

*Key Control was the term I was struggling to recall
Correction: In the video I call out dkomando as the designer of the mortise cylinder holder I am using but that design is actually by fluxquanta and can be found here:
www.thingiverse.com/thing:479...
dkomando also has a cool design that can be found here:
www.thingiverse.com/thing:338...
Also on Odysee: odysee.com/@technosavage:a

[@truckinglock]

TruckinA!!! Nice job.