RSA 259:62: Motor Vehicle Master Key.

"Motor vehicle master key" shall mean:

I. A key which may or may not be one of a set of similar keys, each key being made to operate a series or group of locks of the total lock series or group, the key or keys being constructed to take advantage of unplanned construction similarities in the series or group operated thereby (tryout key); or

II. A device other than the planned key or keys, which may be manipulated in a lock's keyway until such action develops a condition within the lock which enables the lock to be operated (manipulation key); but excludes keys supplied with the vehicle by the manufacturer or dealer or the exact duplicate of such keys; and excludes keys supplied with replacement locks or the exact duplicate of such keys.