You gotta remember that anything above 3 inches will be basically the same before you hit a size limit if used with the same skill level.
there is something to be said however about the probability that a man with a larger member will have more skill with it based on the fact the perception of size will impact the chance of repeat customers allowing for more experience than a smaller membered counterpart
there is something to be said however about the probability that a man with a larger member will have more skill with it based on the fact the perception of size will impact the chance of repeat customers allowing for more experience than a smaller membered counterpart