Three 30-Second Stretches Work Wonders for Heel Pain! Step right up to maximize the benefits of safe, effective stretching to minimize heel pain and discomfort. Developed by sports professionals...great for everyone! The rocker design holds the foot in the optimal position for proper stretching. Just 3 repetitions of 30 seconds each provides an effective way to help relieve the lower body pain associated with Plantar Fasciitis, Achilles Tendonitis, Ankle Strain, Arch Pain and othe chronic conditions.