Inflate your dragon at the gas station

Step 4 Cut your tube and attach everything.

Cut about 2-3 off your tube slide one clamp on the side you want the valve to be on. Insert the hose barb on the other end and push it on, It won't need a clamp due to the barbs on the inside of the tube.Put some olive oil or pam on the stem and push that in and secure it with the clamp.