what is a wedge lock slot | what is a wedge lock slot

Does the Surface Pro 3 have a Kensington Lock slot? The laptops and desktops the Surface Pro 3 is intended to replace all have a Kensington lock slot built in.  If not, what is the plan for physical security of these devices?

Security lock slot (cable lock sold separately), 90W power delivery to non-Dell systems, wireless vPro. ... Noble Wedge security slot / Kensington security slot.

The lock attaches to most major lock slot designs like Kensington® Nano, Kensington K-Slot, even the oversized Noble wedge-shaped lock slots, ensuring those laptops, docking stations, or monitors stay right where they need to be.