How To: Make slingshot spark plug projectiles

Make slingshot spark plug projectiles

How to Make slingshot spark plug projectiles

Check out this instructional video on how to make slingshot spark plug projectiles. In this tutorial, you will see how easy it is to break glass with spark plugs. The porcelain on the tip of a spark plug shatters glass. Experiment with your spark plug projectiles and break glass from a distance.

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