The Foot Gym™ ankle exerciser is a useful device for stretching, exercise and rehabilitation. Good for foot injuries such as plantar fasciitis, Achilles tendonitis, heel pain, shin splints and more. Exercise: three color-coded resistance bands for toe curl, toe flexion, and dorsiflexion. Stretch: platform angle is great for stretching the calf muscles, Achilles tendon and plantar fascia. Massage: for the arch, heel and Achilles tendon. Fill the massage roller with water and heat or chill to achieve the desired effect.