... and body who is worn out by hard study or on-line game. D. Good for loosing weight (by reducing fatty deposit ... it is easier than what it looks like. Balancing on Skyrunner is the same as in walking. 3. How ... it.7. Where should Skyrunner be used?Use it on a broad, flat and strong ground.Avoid using it ... are wet or slippery. In addition, do not use on a bumpy, soft, inclined place.8. Components of the ...