While it won’t prevent cutting, the Forever Lock does claim to be pick proof with a very clever design that hides the key chamber and cylinder.
The video above shows how it works (skip ahead to about 2:30 for the real action), and we’ve put a few screen caps after the break. Basically, you rotate the red end to access a blank key slot. Insert the key, then rotate it back to position the key for entry into the cylinder. Slide the lower section in, then twist that part to rotate the key. Clever, for sure.
Want one? Head over to LockMan28’s YouTube page and message him to get on the waiting list. Word is they’re not only very limited and pretty expensive (estimated at $140 plus shipping), but also come as-is with the likelihood of no future support from the Asian manufacturer unless they decide to crank up the very complicated production.