It Just Doesn't Get Any Better Than This

There were black bulb-looking plungers, brown bowl-shaped plungers, yellow elliptical-shaped ones, some with short handles and some with longer handles, some rubber, some plastic. Wow, do they have any with a graphite shaft? Any treated lumber handles??
Hmmmm, I wonder which one of these will work the best on my toilet? Must I take a clay imprint of the commode bottom? Now I was confused unsure if any particular style would fit better, or create more suction and push versus another. As I st...