This was covered in a recent thread. The short of it is that 98% of the time they just hit stuff (think the soldiers head in The Patriot) the other 2 they were drilled and filled with powder with a fuse.
This was covered in a recent thread. The short of it is that 98% of the time they just hit stuff (think the soldiers head in The Patriot) the other 2 they were drilled and filled with powder with a fuse.