Somethings really don't need much of an explanation, and this is one such thing.  Check out this hottie working her hips and keeping it up.

I never really considered a hula hoop fetish, but I'm giving it some thought.  I mean hula hoops are cheap as hell, you can easily do it in the bed room, and after watching this video, you've gotta admit, it's pretty boner-ific. Also, sweet boots, stripper.