A soldier's bayonet glistens in the rain during a homecoming parade for The Argyll and Sutherland Highlanders, 5th Battalion The Royal Regiment of Scotland (5 SCOTS) parade in Dumbarton, Scotland. Soldiers of 5 SCOTS paraded through a very wet Dumbarton following their emotional homecoming from an operational tour in Afghanistan. Photographer: Mark Owens
Bayonet's where not knew to WWI but played an important role. Bayonets were mainly used in close quarter combat in trench battles. This pin shows a german soldier with his fixed bayonet ready for battle.