About this item2022 UPGRADED LASTEST FUNCTION DESIGN: Compared with other thigh master, RUNWE 2 in 1 Thigh Master Arm Chest Exerciser has added a counting function,that can record your exercise data in real time and make your exercise more efficient. It urges you to keep exercising every day and forms good fitness habits.NO PINCH POINT : Upgraded structural design, RUNWE Thigh Master Arm Chest Exerciser adopts embedded structure design and does not have Pinch Point. So it will not pinch your flesh and you had not better make sure you keep the 'hinge' section away from any bare skin when it pivots, it does not create pinch points and won't grab your flesh.GOOD RESISTANCE NO SQUEAKY NOISE: We improved the built-in spring for this arm exercise equipment,which is not only difficult to deform but also avoids weak resistance and squeaky noise.So it will be a satisfying workout equipment if you have any athletic ability or strength already and need more of a challenge.MULTI FUNCTION: You can use our inner thigh exerciser to exercise your arms, legs, hips and lift breasts, what's more, it can correct the pelvis and build a better body. It's more comfortable than the curved hook looking thing.