Nope. Kept a grenade ring in the loops of my boonie cap to ward off evil schrapnel. I'm not superstitious, but I figured why push it. It's still there today, in my closet.
My P-38 was strung on a spare bootlace and hung around my neck. I've still got it, too, in my sock drawer. It's a little sprung (you know how they get).
Speaking of boot laces, we wore one dog tag on it's chain around our neck and the other one in our bootlaces. In case we got blown up real bad.
In my shadow box with my bling I've got my own personal "trench art" piece. I made a Peace symbol out of a grenade ring. The cotter pin was too short for the upsidedown Y part, so that was made of baling wire off a case of C-Rats.