Have anyof you guys used a sport hoop? You can go to sports-hoop.com to check it out. I am thinking of getting one. It says that it will trim 2" of your waist in one month and up to 4 lbs. It is basically a weighted hula hoop . I want to get the 5 lbs one. Let me know what you think. If I lost 2" I'd be thrilled esp in one month!!