Lock pick guns use a transfer of energy to open locks. Perhaps you have seen a desktop toy called Newton's Cradle. It's a series of balls all hanging from strings touching each other. If you let the one ball on the end swing and hit a stationary collection of balls, it transfers its energy though the stationary balls pushing the last one upwards. “Newton's conservation of energy and momentum lock opening pistol” never caught on so we call it a lock pick gun. But the principle is the same.
Sparrows Street Needle Rake Tip
Set of 12 Mixed Needles
Set of 10 Standard Replacement Needles
5 Pieces of Long Needles

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