1. Attach large shoe and a spring to the back of the car 2. Drop the shoe so it would kick the spring 3. The spring will push the car forward and the shoe backward to kick againg 4. Enjoy free transportation / auto :: 9gag

1. Attach large shoe and a spring to the back of the car
2. Drop the shoe so it would kick the spring
3. The spring will push the car forward and the shoe backward to kick againg
4. Enjoy free transportation,auto,9gag

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