Back towards the decorative aspects of the openwork splendor. There exists a small cranium engraving set atop the tourbillon, which echoes the skulls we've seen in earlier RM models. The indices could possibly be mistaken for joint sockets, or small toddler tooth. Seems they are meant to be guitar plectrums. https://rm6608543.life3dblog.com/27891414/the-best-side-of-rm66