How to use a laptop security cable

Is there a security slot on any Mac Book security lock slot Security Lock slot in laptops but do we know how to use it and what exactly kensington security cable slot ~~ Strong and secure lock and cable ~~ Fits into built-in Kensington security slot found in computers ~~ Patented T-bar theft protection In

security lock slot The Kensington slot is the 3 x 7 mm opening on the housing On many devices this opening is marked with a lock symbol Because of the small design of the lock,