TUCKED AWAY IN a corner of virtually every gym sits at least one foam roller—a cylindrical, piece of padded PVC that has become a mainstream tool for massaging muscle tissue. There’s nothing ...

It's time to assemble all the pieces. Meanwhile, a roll of green PVC plastic winds its way towards a roller equipped with many circular cutters. They slice it into a four-inch-wide strip.

The track is made from parallel PVC pipes on a lumber frame ... Have you made a backyard roller coaster, or are thinking about building one? Have you got any questions about [Will’s] roller ...

Get on all fours with your forearms resting on a foam roller placed horizontally in front of you. Place both forearms on the foam roller, maintaining a straight spine from your head to heels. Try ...