Metallica’s James Hetfield is honoring his late friend Lemmy Kilmister with some new ink — and his ashes. On Wednesday, April 17, Hetfield, 60, unveiled his unique tribute to the Motörhead frontman as he revealed his “Ace of Spades”-inspired tattoo featuring a “pinch” of the musician’s ashes. “With the steady hand of friend and tattoo artist @coreymillertattoo, this tattoo,” wrote …