Saggy bottoms can now be given an instant lift - with a bra designed for the buttocks.
The Biniki, worn under pants, holds up the bottom giving it a firm look to rival even curvy stars Jennifer Lopez and Beyonce - known for their toned derrieres. The device was invented by Californian psychologist Dr Karin Hart after she lost weight and started to lose shape in her behind. She said she soon discovered there was no product on
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