4. The following of an invisible information trail. (“InfoTrail”).
This is a pair Sport too. The leader goes along a free way chosen by him and leaves his information trail in the space. The task of a blind (or just blindfolded) athlete is to follow this trail as exactly as possible. The competitions or drills can be conducted in a sporthall or in any field conditions.
Progress. Totally blind people acquire qualitatively new practical ability to choose the most correct way to the final aim.