Manual Folding Knives are the Most Reliable Folding Knives you can buy. They can be extremely useful as an Everyday Carry where Legality matters as it has no buttons or springs that could get it classified as illegal! When combined with a Ball Bearing Pivot System you can be sure that this Style of Knife can be Reliably and Quickly opened using a flick of the wrist and index-open flipper making it great where Easy / Fast deployment are of Primary Concern.