Treadmills
Do you have a treadmill at home? Did you know that readmills were historically used as a method of reforming offenders in prison? It was an innovation introduced by Sir William Cubitt in 1817. Most treadmills are expensive and take a lot of space. If you do not have a lot of space but want to own one then check out PRO-FORM's Space Saver Treadmills. They are currently having a sale on some items. Shipping's free if you pay full with a credit card.