[Translation of the original French comment]
I made the end of my training on this wing (with the 13 m2) and I hope to find a second hand because I have marvellous memories of with it:
Because of simple surface no needs to think of the response time of handiness or anything, it is a true prolongation of the arms, a dream!
To finish the performances in rate of fall, the facility of landing and approach are appreciably the same as a paraglider, with more speed : )