It's from a German ad. In one German edutainment show they investigated if something like this was possible, but concluded that the force of a juggled hammer would not be sufficient to drive a nail into sturdy wood. Also, they visited the SFX studio where this ad was made.
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Date: 2012-09-03 09:05 pm (UTC)(no subject)
Date: 2012-09-04 01:51 pm (UTC)(no subject)
Date: 2012-09-08 02:27 pm (UTC)