Looper pedals can be used for live music events. The performer can use that looper pedal to increase the effects of the music, e.g. while using a guitar.
The rider pushes on the pedals with his feet to put power into the drivetrain to make the wheel turn and push the bike forward.
there is no RIGHT OR WRONG way just pedal
The threads on bicycle pedals are American Standard.
Motor cars and Bicycle's both have pedals.
bicycle
How fancy do you want them to be? Cheap pedals are die-cast. Expensive pedals are machined.
To do bicycling you need a bicycle. And the bicycle is a man-made item relying heavily on techology to provide all the bits and pieces.
Two
That'd be the crank arm.
Velocipede
A motorcycle has a motor and no pedals
Because metal is durable and leightweight
the amount of force spinning the pedals
Pedals and seats