lay it out how you want it, take the hose slide one of the black collars over the hose, slide it back a bit, then take one of the barbed fittings and push that into the hose. now take the collar you already slid on , and slip it up to the barbed fitting you just pushed in, and thread the 2 together. that just completed 1 fitting. once you get 1, its not hard you'll figure it out. id google up some more videos as its much harder to describe than to do.