【Material and Compact】: Made of PP and stainless steel spring, reliable and sturdy for long time use, lightweight and compact size for easy to carry 【Adjustable】Easily setup resistance with a rotating knob, allowing gradual progression and targeted training to improve foot strength and address arch issues. 【2 In 1 Design】: The foot arch stretcher with spring design delivers a deeper stretch, multifunction foot stretcher, arch stretcher, and toe stretcher, which can improve foot position and leg position, what's more, foot massage points for a deep tissue foot massage when feet arch stretching 【Wide Used】: Foot Stretcher Exerciser is suitable for individuals who dance, and focused on developing foot strength and flexibility, providing better support for 【Strengthening】Targets and enhances foot and arch muscles, providing better support for advanced dance techniques over time.