How can I make sure that my test subjects are comfortable while wearing the Dikablis eye tracker?

The Dikablis glasses are designed to fit most people comfortably. Position the forehead and temple cushions on the subject’s head. Adjust the nose pads if needed; they can be tilted, moved up/down and bent inwards/outwards to comfortably fit. Use the elastic drawstring to secure the glasses. It is important to have the weight evenly distributed across all contact points. Make sure that the nose pads are not pinching and that the subject can move their head freely.