... was convincing the world that the tour 90 was a decent racquet. It isn't. It is made of that horrible material known as "hyper-carbon". This stuff is so stiff it will do your elbow in. I challenge anyone to name a pro (mens) player who actually uses hyper-carbon in their frame. Hyper-carbon = Hyper elbow problems. We were hustled, conned, bamboozled, flim-flamed, taken for a ride, led up the garden path.