rapid assisted opening enhanced grip and comfort compact and easy to carry Designed for everyday users, Flash AT features rapid assisted opening with SOG*s innovative ambidextrous AT-XR Lock and streamlined ergonomic handle design for enhanced grip and comfort. Flash AT is compact and easy to carry, with a highly functional 3.5 cryogenically heat-treated D2 stainless steel blade. Its powerful XR locking mechanism also features reliable built-in blade locking safety and spine-mounted safety system. The next evolution of the popular Flash.