Ursin, you obviously had a job that required the use of only one hand! Let me guess, dart tester? And i think the gripmaster is good as well, but in a weird way, heres why. I do construction, so does my friend Joe (who is an amazing guitarist). I at times wonder if raw finger strength is good or bad. I have tons of finger strength, but due to that, and the fact that i use it all day long, it seems like it takes me forever to warm up and feel fluid after working. I think muscle memory may be important on a different level than just having raw pinky strength???