Looking to add a little devilishness to your look? Check out our line of Motorcycle Helmet Horns! Made out f a strong, durable rubber and applied with a suction cup, these are sure to stick on even at high speeds. These helmet horns have even been proven to stay on at speeds over 190 MPH! These work best on glossy smooth surfaces. These helmet horns aren't just for helmets, they can also go on anything that has a smooth surface. We've seen them on hoods of cars, motorcycle gas tanks and more! And because safety comes first. these are designed to fall off in the event of a crash and won't cause any further injury.. Come check out our Helmet Horns on Shopena.com!