ProStretch Products allow people to safely maximize stretching of the foot and legs, including hamstrings and plantar fascia. The product lets the user control the degree of the stretch which helps limit guarding. This product is ideal for those who want to improve their walking and who are living with plantar fasciitis. Unilateral model available in standard size (plastic) or “Big Foot” model (wood) for shoe sizes 14 to 21. Bilateral model allows simultaneous stretching of both lower extremities.