..Every artistic creation requires a great passion .. This is Fabrizio Silvestrelli who has been collaborating with Viper for years in the study of new knives. Twin is the new slipjoint with harmonious lines. A small and elegant gentleman pocket knife suitable for any activity and use. Its titanium body where liners and bolsters are obtained, makes it a resistant knife and the different colors of the scales available make it elegant, such as the Dark Matter Gold carbon fiber and the ivory G10 or sporting such as the green Canvas micarta. The Twin comes with a leather sheath made in Italy.