As someone who got excited about Glayzer 09C last year, I bought two sheets (red+black) and played with them for about 3 months... Until I ripped them away from the blade and gifted them to my friends.
As someone mentioned in this topic, G09C left me clueless about what I should improve to make it work. Sometimes it shoots off far, sometimes it doesn't bounce, sometimes it spins, sometimes it doesn't.
I only regret playing with G09C on TB ALC and DHS PG6X, both very hard blades. After my friend attached the gifted sheet to his wooden Yasaka blade, the rubber became much more comfortable and I even started liking it, however the rubber lost its last bits of aggressiveness.
Maybe a booster could help, but I am surely not going to spend money on G09C ever again.
To sum it up:
- Spin - nice spin. Maybe a bit less than T05, surely less than Jupiter 2/3/BigDipper, and way less than H3 prov/nat.
- Block - excellent. In fact, blocking is something I miss about G09C, especially when I play with Chinese rubbers.
- Short game - average. For some reason, it shoots off randomly and doesn't forgive inaccuracies.
- Power - bad. Despite its relatively hard sponge, you can feel a clear threshold of power you can apply with G09C.
- Grip - average. Somehow, despite some tack, G09C has a worse grip than D09C and T05C. And not even close to Chinese rubbers in terms of grip.
G09C is surely not worth its money. Maybe if you want to have BTY equipment, it does its job. But even then, the price is too high, at which any ESN competitor thrashes G09C.
I often play with 2 great players (one is a former Olympian) who played with G09C on TB ALC and Maze, they were left with the same disappointment from the rubber. Like something is just off.