taking example of multiple necklace user - J. Depp. why he is so obsess with so many necklaces, and he never change it, all time favourite pieces out of his changing fashion.
also read his biography/interviews which can be found in
http://observer.guardian.co.uk/magazine/story/0,11913,1424353,00.html
his necklaces:
a medallion with an etching of Che Guevara and a tiger tooth necklace, his everyday jewelry includes a bracelet of pastel-colored beads, handmade by Lily-Rose.
