Chest day just hit a whole new level. Larry Wheels teams up with Togi to push a massive 400lb dumbbell press—made easier (and safer) with the help of a brand-new pivot rack design. Watch raw strength ...

Part of a rack-and-pinion steering system, the rack is a bar parallel to the front axle that moves left or right when the steering wheel is turned, aiming the front wheels in the correct direction.

Most car-based vehicles use rack-and-pinion steering in which the steering wheel turns a pinion gear that moves on a rack to turn the front wheels. Others use recirculating ball systems in which ...