Secret Boom is more than just a cross strap clip. In pack of 6 units, they are the solution perfect for matching your bra straps to garments with backs and it will also give you a stunning neckline as it provides an effect that will give you a push up. Small, resistant, comfortable and very easy to fit. As it is made of metal, it does not deform with use. Finally you can wear your fav bra with all those cross-backed tops without the need for the straps protrude from the sides. Secret boom keeps the straps fastened, without sagging and maintaining the comfort of your bra. You will only have to place each bra strap on the tabs of your Secret. Boom and in just a second you’ll be ready to show off your back. Secret Boom is The two straps will be joined together, keeping them fixed and fastened in the center of the back, preventing them from being seen. For a better use of the product, we recommend that before placing secret boom on the bra straps, make them larger and thus avoid damage to the garment.