Intro: Water Bottle Dirt Bike Noise for Bike!!
Have you ever wanted to make that dirt bike noise on your bike, while recycling? Well here ya go. This idea came by accident when I tried to stop my friends bike by jamming a water bottle in the back tire.
Step 1: Materials
(well that was hard)
Step 2: Insertion?
Just jam the bottle in the back tire like in the pic.