A hole in a lock for inserting and turning a key.
LockSecurityHardwareAccess
Current best complexity is 7:
Keyhole can be discovered in Concepts, categorized under Lock, Security, Hardware, Access. A hole in a lock for inserting and turning a key.
It has been discovered by 7 boards and crafted 10 times, first appearing 8 months ago. Keyhole can be created from 6 recipes, and goes on to appear as an ingredient in 14 others.
Keyhole was first discovered by JOKER's board 8 months ago. The lowest-complexity recipe (7) is held by btcprox's board.
Related concepts worth exploring include Barrier, Thunderbolt, Fence, Computer, Guardian, Blowtorch, and 6 more.