SKLZ Lateral Resistor Pro is a training tool designed to help accentuate your workout. It comes with padded adjustable ankle cuffs for a comfortable fit and quick resistance cable changes. The resistance cables are designed to withstand up to 2.5 times their length, making them durable and resistant to overstretching. The Slide-Lock door allows for easy resistance cable changes, making it convenient to adjust the intensity of your workout. The Lateral Resistor Pro is recommended for athletes over 14 years old and should be used under strict adult supervision for those under 18.