Ive been playing guitar for a looooong time, and Ive had this problem for a loooooong time. Basically, I have a lot of trouble with pull-offs. When I pull off of a note, my finger always hits the string under it, and I always get extra "noise". The only way for me to be able to pull off and not touch the string below is to pull straight off the fret. This of course is not right because it isnt a pulloff, its just taking your finger off the note.

Anyone else have trouble with this? I don't know if its my fingers or what, but the skin on the bottom of the finger tip (opposite your fingernail) is always in contact with the lower string when I pull off.