Microsoft Store is offering this Kensington Black Portable Combination Laptop Lock (K64670US) for $29.99 plus free shipping.  Sales tax where applicable.  You save $15 off the regular price.

Why this deal is hot:
The Kensington Clicksafe Keyed Laptop Lock is 33% off the normal retail price. This is the best deal found on this laptop lock.

What this does and why you need it:
This laptop lock has a five-foot-long, carbon-strengthened steel cable and a nearly impenetrable disk-style keyed locking mechanism.  Keep your laptop safe!