Scared of Heights? 'Rock Climber' Treadmill Lets You Hike at Ground Level
If you don't live near mountains, hate the rock wall at your gym, or are terrified of heights, you've had few options if, for some reason, you've still wanted the challenge and exercise from climbing. With the invention of the Treadwall, a hybrid climbing wall and treadmill, climbers can keep going continuously from any location they want. Rather than work with a motor, the Treadwall moves when ...








