As the only US manufacturer of ALL expansion loops, Flex-Hose Co. brings to you the VisuaLoop app. The VisuaLoop app is an educational tool that provides users the ability to understand and visualize flexible expansion loop movements with ease. Youll be able to select from the four available flexible expansion loops, move any leg in either the x, y or z axis, and even get technical data...all with the touch of a finger.