San Francisco, California
London, United Kingdom
- Pick up the kids in your life and swing them overhead?
- Hike the West-Coast Trail, Grand Canyon or Machu Picchu?
- Easily get your suitcase on and off the trains while travelling in Europe?
- Play a musical instrument pain-free?
- Spend time on your knees gardening, praying or meditating?
- Put your carry-on into the overhead bin?
- Get more power from your golf or tennis swing?
- Bend over to easily put on your socks and shoes?
- Carry that big bag of pet food from the trunk to the condo?
- Walk up and down those uneven stairs to visit that medieval castle or famous cathedral?