The mega-hit is still the best way to tone your thighs. It's ultra-portable, easy to use – you can be well on your way to rock hard inner thighs while watching TV! Use your ThighMaster to tighten and tone your inner thighs. Then use your ButtMaster to tighten and tone your hips, buns and outer thighs. Both tools are also great for sculpting arms, shoulders, chest and back.