Thanos had Eitri craft him the Infinity Gauntlet on Nidavellir as a device ... alongside a menacing growl. Pressing the yellow Mind Stone also activates an exciting sound and lights up the gems.

Thanos may have snapped half the universe with his Infinity Gauntlet in Avengers Infinity ... When you press the big yellow Mind Stone, it makes a powering up noise, while moving the fingers ...