 The most common type of Mycenaean helmet is the conical one reinforced with rows of boar tusks . This type was widely used and became the most identifiable piece of Mycenaean armor , being in use from the beginning to the collapse of Mycenaean culture . It is also known from several depictions in contemporary art in Greece and the Mediterranean . Boar 's tusk helmets consisted of a felt @-@ lined leather cap , with several rows of cut boar 's tusk sewn onto it . 
