The Bio Skin TriLok has unparalleled versatility, delivering targeted unloading to medial and lateral structures. Positioned laterally, the FootLok™ Strap supports and protects the lateral ligaments and the peroneal tendons. Positioned medially, the FootLok Strap supports the plantar fascia or the posterior tibial tendon. No other brace offers such versatility. The TriLok is effective with almost any type of footwear or with no footwear at all