Do you know that protrusions on the sole of a shoe is called cleat?
No i dont, wow, so why is it called a cleat?
They are called cleat because  they  provide additional traction on a soft or slippery surface.
wow, good to know, do you prefer flat shoes or hilly shoes?
Cleat (shoe)
Cleats or studs are protrusions on the sole of a shoe, or on an external attachment to a shoe, that provide additional traction on a soft or slippery surface. They can be conical or blade-like in shape, and made of plastic, rubber or metal. The type worn depends on the environment of play, whether it be grass, ice, artificial turf, or other grounds.
In American English the term cleats is used synecdochically to refer to shoes featuring such protrusions. Similarly
positively and securely attach it to a clipless pedal system is called a cleat. The cleat engages with the pedal such that the cyclist's shoe remains mechanically attached to the pedal during pedalling. Typically the cleat and shoe are engaged with the pedal by pressing down against a spring loaded retention mechanism, and released by twisting the shoe and cleat sideways.
Detachable Ice.
Ice cleats or crampons are a type of spikes that usually are attachable under the soles of shoes (in such cases also called "shoe chains") to