BUILD MORE STRENGTH IN CORE MUSCLES! Finally! A heavy duty ab slings straps with great design and to last forever, no more compromising quality or comfort! The hanging exercise straps are going to make your workout unforgettable! You just have to focus on your core abs muscle group and lift your legs or knees easily! They will fit and will be useful in every training session and help you get the V-shape body. Be an innovator and show it to the others. The perfect ab equipment!