Hayden hears music to die for
Musical instruments as a weapon of self defence: Forbidden the use of their samurai swords, the ronin made their shakuhachis longer and stouter for use as clubs in self-defense and took to wearing large straw baskets over their heads to achieve the anonymity essential to under-cover eavesdropping while playing along the streets of ancient kyoto. The flute that plays this could kill you too:
