Plantar Fasciitis. Instant Heel Pain & Pressure Relief: Our heel cushions help to relieve severe and chronic heel pain and discomfort most often caused by; Heel Spurs, Bone Spurs, Stress Fractures, a Sprained Foot, Tendonitis, Achilles Tendon Pain, Swollen Feet & Plantar Fasciitis, as well as the general Aches & Pains of the feet.