Mar Bar or Easy Bar Ascent system

[Saw Dust Smoken]

Is this ascent system being used by anbody daily? Pros and cons?
I have the hand dual(Kong). Need something for the feet when not footlocking.

 

[sharkfin12us]

mar bar acending

Comes in handy when you can use it.Clear shot with throw ball to crotch elimates fatique on your legs and hips.There is the wraptor which has an engine cost is 2500