Roussin TwisterKey pinch strength doesn't have to be static, and neither should your progress. Grab one of these pocket size twisters to get your thumb working on the go. No weight plates needed. Named after Eric Roussin, the founder of Canada Grip Sport, this twister commemorates Eric's significant contribution to the sport and reflects his liking for this particular tool in toasting off his thumbs at the end of a good key pinch training session. This will be the