I think some of these remarks though not intended and posted quite innocently, are in bad taste.
All this brings back horrible memories as something quite similar happened to my nephew nearly 30 years ago.
Remarkably it didn't leave him brain damaged or cause any other bad effect. Today, whilst being 43 years old and perfectly normal, he looks a great deal younger and has no memory of the terrible accident.
I am reminded of a tale I heard some time back about someone who was fooling around with a nail gun in a pallet yard, and ended up shooting someone in the head with it from a fair distance away. The victim didnt really know what had happened until he tried to take his cap off, and couldnt!
".....fooling around with a nail gun in a pallet yard, and ended up shooting someone in the head with it from a fair distance away."
In theory it's virtually impossible to 'shoot' someone with a nail gun - the guns are designed so that they cannot fire unless the safety device is pressed quite hard against a solid surface before the trigger is pressed.
Accidents do happen however, and there are frequent injuries to hands and feet. Firing a nail over a distance would require a major modification of the gun's mechanism.