I will admit to being sceptical about the claims made by Attak Pik in their internet marketing videos. Nevertheless I invested my 30 bucks in a pack. The results have been very impressive and I have found that this simple pick is able to add bite ,clarity, resonance and a whole lot of fun to my playing. People notice the difference in the sonic quality when I play although no one has guessed that its related to the humble pick. It adds snap to my Rhythm guitar work and once you get used to the little crack of resistance at the string interface it really does add soul and grit to lead guitar work. Particularly when playing the blues This pick really snaps crackles and pops !! Thanks