Jedd Johnson from the Diesel Crew has a nice synopsis of the Grip Sport Championship 2011.
Looks like the event was a lot of fun. They also put up some pretty impressive numbers.
Here you can see what it looks like to pick up 120kg / 264 Lbs with a pinch grip.
And here is a good way to completely fry your forearms. Using a 2 inch wrist roller to pull a sled 36 feet.