The appearance of T14 is striking and handsome, and although Rainer Popp considers himself an engineer rather than an artist, many of his puzzle locks are visually stunning.

I recently had the opportunity to sit down with Rainer Popp’s fabulous T9 puzzle lock, regarded by many as one of his very best.

Rainer Popp is a German craftsman who has turned his passion for restoring and collecting vintage antique locks into his own brand of modern day puzzle locks. Because of his skill and creativity, many believe that he is the greatest puzzle lock maker living today.