Modern high quality designs go far beyond the traditional tapered butt plug shape. When you're inserting something into a tight space like the anus, you can bet you'll notice the feeling of the surface and the shape very intensely which is why there are so many funky and odd shapes. With that said, it's a fun idea to pick up a few different shapes which gives you an entirely different sensation.
Some of the slimmer anal dildos can be used for foreplay when your normal sex romp becomes stale. The last frontier of exploration is not as intimidating thanks to some of our smaller butt plugs and narrow anal toys that have a better comfortable build suited to the beginner.
