Since I picked up bass while already being good on guitar, I have lightning fast left hand fingers with good dexterity, but since I don't use a pick like I do on guitar, my fingers have to do loads of work to catch up with my left hand. I so far use my first and second finger, haven't used my third yet, and I tried it, but it's a little difficult. I can play as fast as billy sheehan for instance, and I'd like to be able to play that fast with both my hands in sync, I can do it with legato, but it sounds lame on bass. So I have to work on just my picking fingers pretty much, but my 2 fingers I use right now are getting quicker, however, will I ever be able to catch up with my hand with just 2, or will I need to use my third aswell, what do you recommend? I can stick with 2 and just keep practicing, or can introduce my third, and that's going to take a few weeks of just getting used to, and building some callus, but that would speed up the process if I used it, no? What should I do?