Secure another device to your main lock cable with this convenient loop Laptop cable lock expansion loop works with any cable lock to add a 6’ / 2.5 cm branch cable with K-slot lock Lock fits into the Kensington security lock slot on your device This ideal multi-device lock accessory works like a dual head laptop lock or twin laptop lock 4 digit combination cable lock protects your?device?against theft Add-on multiple loops to a single laptop lock to protect many devices