Folding knives with assisted opening

Folding knives feature different opening mechanisms. Traditional pocket knives and Swiss Army Knives commonly employ the nail nick while modern foldling knives more often use a stud, hole, disk, or flipper located on the blade, all which have the benefit of allowing the user to open the knife with one hand.

Automatic or switchblade knives open with energy from a spring, These are severely restricted by law in most states.

Assisted opening knives have become popular which uses springs to propel the blade once the user has moved it past a certain point.

Which type of opening mechanism is your choice.