To get the best out of the haircut, you will need headphones. It’s also better if your eyes are closed shut. It’s incredible and a little creepy!
When listening to it, it feels like you are seated in a barber’s chair. The barber moves around while clipping your hair away. The illusion is a demonstration of our capability to locate sounds in space. We do this by comparing inputs to both our ears, then from there we work out the direction sound is coming from.