: close <object|direction>
Syntax: lock <object|direction>
Syntax: unlock <object|direction>
Syntax: pick <object|direction>
OPEN and CLOSE open and close an object or a door.
LOCK and UNLOCK lock and unlock a closed object or door. You must have
the requisite key to LOCK or UNLOCK.
PICK can open a lock without having the key. In order to PICK successfully,
you must practice the appropriate skill.