Saw this on eBay. Yikes. More snaggles than a shark's mouh.
http://www.ebay.com/itm/High-Security-Euro-Cylinder-Barrel-Lock-40-55-Brass-/190569079772?pt=UK_HaG_Lock_Safes_GL&hash=item2c5ecd63dc
I'd be afraid it would eat my picks, then start after my fingers!