dr. selner: they're great for ki.s for seniors they're indispensable. >> and you also said that walkfit platinums are great for athletes too. >> they are great r athletes. when you run or jump, yore tting the ground with three to four times your body weight. at's 300-400% more pressure on your joints. you'd be foolish not to have walkfit in all your athletic shoes. >> well, i kw i use orthotics in my lf shoes. it really makes walking the golf coursa lot easier. >> and, stuey, they can also giveou a much more balanced swing by getting yr pressure back over your heels, of the ball of your foot where you're out of balance. >> and ty last a lifetime, guanteed. in our last show, we actually ran a 52,0-pound steamroller over the walkfit to show how durable it is. came out a little dusty, but as good as new with its pport and cushion ability intact. >> but since then, we found a little more practical example of just how good the walkfits are and how long they last. >> last yearwe got a call from a guy in new jersey who said