Challange Lock

Built by hand and pinned to challenge, each lock offers a unique picking experience that rewards patience, precision, and technique.

Every lock includes link to the video showing your specific lock being pinned and assembled, so you know exactly how your challenge was built.

Lock Shop Stack
A classic locksmith to locksmith challenge lock, pinned the way a seasoned technician might prepare a fun but fair test for a friend.

Complex Stack
A higher difficulty challenge lock featuring varied security pins, mixed springing, counter milling, and unpredictable feedback designed to push experienced pickers.