These cuffs are specifically designed to wrap around the ankle and hold the wearers heels on. They are very effective and work with both regular heels and ballet boots as shown.
For extra padding see this listing:
Self Bondage Hogtie System (Advanced, Poly Webbing)
Self Bondage Darlex Armbinder (Poly Webbing Straps)
Bondage Strap (Poly Webbing)
Self Bondage Straitjacket Leotard with Bondage Straps (Nylon/Spandex)