A Way To Keep Your Head Down While Firing At The Enemy - When fighting stagnates and enemy lines dug into trenches, snipers target anyone whose head pops up above the edge of the trench. Solution: Keep your head down, but your rifle up. The Germans called it Spiegelkolben. Just mount a rifle to a periscope. That way the rifle could be lifted up to get a clear shot at the enemy trenches while the shooter remained safely out of sight using mirrors to see his sights and a length of wire to pull his trigger. While all the major...