Knex Dual Knives By cobramaster205 in LivingLEGO & K'NEX82443Save PDFFavoriteIntroduction: Knex Dual KnivesBy cobramaster205Follow More by the author: About: I mod knex. feel free to give me suggestions. More About cobramaster205 »I made this one day when i was bored. should i post? leave a comment.