i had a ate over a few weeks ago and we were jamming & he said: "i like your right hand technique". now i thought 'oh cheers', then i thought wait a minute what about my left-hand. So i thought is there any exercises, or any to do to improve my left hand technique. By the way i don't use my pinky i don't feel strong enough with it. is there any way to toughened my little pink haeded warrior up?