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Supermarkets use shopping trolley locks to prevent shopping trolleys traveling long distanced from supermarkets. By asking the customers to insert a coin to use the trolly. The coin remains locked into the coin lock while the trolly is in use. Once the trolly is returned and the lock is clipped into the accompanying trolly, you will be able to remove your coin. In this video, we will open up a coin-operated trolly lock and see how the mechanism works. Once we have established the working mechanisms we will find other ways to lock and unlock the coin lock using something else other than a coin. In short “How to Pick A trolley Lock”
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