> It might cause motion sickness, but maybe you can get away with pitching/yawing 5 degrees for every 1 degree of head movement, so to look "straight up" you on

> It might cause motion sickness, but maybe you can get away with pitching/yawing 5 degrees for every 1 degree of head movement, so to look "straight up" you only have to tilt your head up 18 degrees. That would cause extreme motion sickness.