ughhmmm..not really...i mean...i don't think there is such thing as " the best " expressive stretch...Any kind of low base grip stretch will work very well if you apply enough force...the mandingo stretch is another incredible expressive stretch...or expressive stretches with the [words=http://www.mattersofsize.com/forum/showthread.php?83577-Length-master-official-order-thread-now-shipping-06-16-2014!!!]lengthmaster[/words],griping at the very base,again,very good...i don't think there is one in particular,that will do something magic

They all work the same.