
I have never bought a computer lock so I didn't know how it would work. When locked, the end expands to fill the security slot opening. I have a few small servers in a closet that would take some time to replicate, so this is a major deterrent. I also added a door knob with a key.

π Black Kensington Portable Combination Cable Lock for Laptops and Devices (Model K64670AM)
10 Review

Secure Your Laptop with the Kensington Portable Laptop Combination Cable Lock - Letter Combination Lock (K64684US)
11 Review

π Octatco EzFinger Fingerprint USB Key: Secure Windows Login, File Encryption & Biometric Authentication Tool
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Enhanced Kensington Cable Lock for HP Laptops, Lenovo, Asus, Acer & Other Devices - Compact & Reinforced Pivoting Lock Head (K65035AM)
11 Review