Thompson Gun Drilling

thompson gun
The Thompson is an American submachine gun, invented by John T. Thompson in 1919, that became infamous during the Prohibition era. It was a common sight in the media of the time, being used by both law enforcement officers and criminals.

drilling
(drill) a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
Make a hole in (something) by boring with a drill
the act of drilling
(drill) bore: make a hole, especially with a pointed power or hand tool; "don't drill here, there's a gas pipe"; "drill a hole into the wall"; "drill for oil"; "carpenter bees are boring holes into the wall"
Produce (a hole) in something by or as if by boring with a drill
Make a hole in or through something by using a drill