AR input solution to detect pinch tap outside of field of tracking via smart watch and machine learning. This with eye tracking 🔥 will boost every HL2 experience. Download it for free
Amazon.com : Front Center Pinch Lens Cap Cover Protector + Cap Keeper + Cleaning Cloth for Nikon 1 NIKKOR VR 10-30mm f/3.5-5.6 Lens : Electronics