Maybe it did hurt and it just took that long to get a Denitest appointment. [NA]
I ran over a 16 penny nail once, and the tire didn't lose any air till I pulled it out 70 miles later. I think it's the same principle High pressure, with a seal. Just goes to show you, always close your mouth when useing a nail gun.[:I]
At any rate that guy for a lack of a better word is lucky to be alive.