Before I played with BBO and my forearm had no comments. Now I played 4x 1 hr seession in 4 days and my arm is on fire, pain in arm while wiping my ....
But it could be with change of racket - now toying with Prince Ignite - great stick!!!
But playability wise it really feels like syn gut (crisp such as PSGDF) and doesnt move so much (mains do move a little).
More spin, durability and better slice than PSGDF.