One Man and His Whippet I'm over 60 now, this can assist people to enjoy the great outdoors like this, what a fancy & fantastic idea. I think I got "The knees of a teenager!"

Sami Luo Tech As you can see, just when I was about to fall, it's like there are two hands that literally push your lower leg and thigh. Push, don't fall, climb fast!

Stephen J Reid When coming down, I don't feel any strain on my quads. It sped me up while climbing and it made me feel a lot more secure and safe on the way down.