Apple has had an exclusive contract to use the next-gen Liquidmetal alloy for almost three years now. Theoretically, Liquidmetal could allow Apple to realize thinner, lighter, more resilient devices… but the Liquidmetal fabrication process is hard to work with, which is why, so far, we’ve only seen one actual Liquidmetal Apple product: the SIM removal tool that ships with every iPhone!
But it looks like Apple might have finally cracked the problem. And they are eyeing Liquid Metal for use in the iWatch.