Powerful Slingshot Crossbow By JoergS in OutsideLaunchers78,44613916Introduction: Powerful Slingshot CrossbowBy JoergSThe Slingshot Channel BlogFollowMore by the author: This video shows how to make a powerful slingshot crossbow at home, with common tools and material. WARNING: This has serious power, can be up to 5 times stronger than a power air gun.