These knives are all the rage in the assisted opening category. Assisted opening technology helps propel the knife blade open once the operator has initiated the one-handed opening action. Kershaw provides Speed-Safe technology, SOG calls it S.A.T. (SOG Assisted Technology), and for Buck ASAP Technology makes it possible. A super-fast semi-automatic one-handed opening system with third-generation index-finger trigger. Assisted technology. It's hot.