I always like to have a blade that I can access with one hand. It used to be a folder with thumb type knob. I had a lousy Smith and Wesson one and it failed after a year. Pondering on the topic, I realized the folder was offering me only one hand opening over my SAK, but nothing else (I couldn't baton with it, I couldn't strike my firesteel with the back of it). Also, it wore my pants, it sometimes snagged and pulled out of the pocket on the couch...I decided that a necker would be my next knife.