Paul, on mine I took the 36 inch tube and cut it in half at 24 inches, than cut a 2in piece out of the leftover (top cap). take the two inch piece and split it like a collar and glue 1in of it to the top piece. Now you can take the top on and off to load arrows from the top if you want. Now cap both ends as James does and cut your slot in the side. I used soft foam in the cap to keep arrows from rattling, but soft enough to lift arrows out of your slot when you need one.