First off, let me strongly advise that you do not pop the blister. It may look gross, but if popped it can cause an infection. Blistering is a natural healing process of the body.
Second, Rene Levand has some greatmaterial that you could look over.
LOL sorry about that bro. Anyway, I'm practicing the basic Rev cut and it's hard, but I'm getting there. And I'm practicing the one-handed shuffle a little- MAN it's hard to get the packets parallel.
Learn the Pinky Count and the Pinky Pulldown. It the perfect oppurtunity. Its worth the straining exercise - imagine being able to get a break under n number of cards from the top or bottom of the deck.