It doesn't work and has been proved many times to be totally fake.
1 word :
lol.
lol.
Yeah, theres no way air pressure from that tiny tennis ball can force a keyhole open...
I could see this for an airtight door handle, you know the locks with the little holes and the little tiny steel rod key?
but a car door? No.
I could see this for an airtight door handle, you know the locks with the little holes and the little tiny steel rod key?
but a car door? No.
Mythbusters....They tried it. It failed. Nuff said.