Greasing the Groove

Want to know how to get good at something?  It's not a secret.  You just have to practice it.  A lot.  I read this article (Greasing the Groove for Strength) and I was thinking "that makes sense."  If you want to get more pull-ups, do a lot of pull-ups.  If you want to get better at playing guitar, play the guitar.  Specificity and repetition is most important.