slendertone abs belt - Slendertone Review - Slendertone Results - Week 10 Final. I went from using the Slendertone unisex abs belt 3 times a day to using it 4 times per day.Ive been doing that every single day for the last ten weeks. So this is what i look like now after using the Slendertone abs belt over all for 20 weeks.