You may remember a video shown on Autoblog some years ago (Obama was still in the U.S. Senate – Ed.) where someone poked a hole in a tennis ball, lined up the hole in the ball with the keyhole of a car, pressed really hard, and the door unlocked. After reading your comments from that post we decided that it was definitely worth testing to see if this tennis ball technique works for ourselves. One of the commenters on this subject used pressurized air to attempt unlocking four different doors to no avail, and another used a plunger (we wish we had video of that), but no one tried a tennis ball like the video in question.

Take a look at the video below to see what happened when we tested the use a tennis ball to unlock your car trick. We tried it on four different vehicles, and used two tennis balls, each with a different-sized hole in it to verify our findings. Check it out, and if you have a tennis ball and a screwdriver lying around the house, try it yourself and let us know in the comments if you got the same result we did. We're guessing you probably will. Tennis, anyone?


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