There are plenty of ways to protect data inside a flash drive, like using a special software, a password, or some kind of encryption method, but the most original idea is to use a lock.

On top of previously mentioned feature, it can also be used to lock other gadgets that have a USB interface, like a mouse, keyboard, memory card reader, etc. As long as the jack connector measures 4mm of thickness and 11.5mm in length, it is all good.

The locking combination consists of 3 numbers, and to reset the combo you just need to press a small button with a needle, that is, when the lock is open.
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