Butterfly knives are typically used for flipping tricks and stunts, where the user opens and closes the knife in a series of acrobatic movements. However, butterfly knives can also be used as a regular folding knife for everyday tasks. If you’re looking for Butterfly Knives, you can turn to Viper Tec. They manufacture & sell high performance custom auto knives and high quality automatic pocket knives in their online store. They provide the Best Butterfly Knives. For more information visit vipertecknives.com.