calliven premium super kegel exerciser, pelvic floor muscle and inner thigh exerciser, correction beautiful buttocks bladder control device postpartum rehabilitation calliven premium buttocks trainer, hip body trainer massage, helps to training stimulate lift shape, firm the butt muscleboom for women fitness<br><br> principle of action<br> 1. correct the pelvis, tighten the pelvic floor muscles, and continue to train the pelvic floor muscles. <br> 2. the hip muscles are fully activated, the hips are accurate, and the effect is doubled. <br> 3. abdominal abdominis and thigh adductor muscles together to achieve beautiful buttocks, thin waist, stovepipe effect<br><br> instructions<br> 1. put the hip exerciser in the middle of the thigh, and the heel and the toes are separated by 40 degrees. <br> 2. thighs and buttocks force to grip the wings<br> 3. forward hip, thigh adductor valgus, pelvic floor muscle force clip<br> 4. continue to clamp for 7 seconds, relax, this action cycle 8 times<br><br> specifications:<br> item: buttocks trainer <br> color: blue<br> material:pvc+ high quality steel plate<br> weight:750g<br><br> package include:<br> 1 pcs hips trainer <br> 1 pcs yoga ball<br><br> notes: <br> please allow 0-2mm error due to manual measurement, thanks for understanding.<br> due to the difference between different monitors, the picture may not reflect the actual color of the item. please understand, thank you. <br><br>