I took some pictures of the top Simpsons so you can make a comparison at one glance to get an impression:
From left to right: Chubby #3 super,Chubby #2 super, Persian Jar #3 super, Tulip #4 super, Emperor #3 super
From ltr: Polo #12 Best, Polo #12 barbed super, Polo #12 straight super, Polo #14 Manchurian super
From ltr: chubby #3 best, Chubby #3 barbed super, Chubby #3 straight super, Chubby #3 Manchurian super
The difference between "barbed" and "straight" super lies in the curved, curled, bent, split tips of the first and the straight (!) tips of the latter.
Barbed super feels very rough, while straight super feels relatively soft.
i hope these pictures are of some help to (relatively) "newbies"on B&B