A wedge is used in the sport of golf.
Golf uses a wedge. A wedge is a type of golf club and golfers mainly use it for hitting the golf ball out of the bunker. (sand pit).
axe, or knife
chicken
Splitting things
The sword is an edged weapon that uses the action of a wedge to push "stuff" apart as it cuts through it.
Chopping wood (an axe), a doorstop and even you teeth!
Cuneiform script
1. Use a wood wedge under a door to keep it open. 2. Use a metal wedge in a wooden axe handle to keep the axe firmly attached to the axe. 3. Use a metal wedge to split logs for firewood.
There's nothing official to represent them, but they definitely exist. Black-Winged Dragon uses Black Feather Counters, Blackwing Armor Master uses Wedge Counters.
Gymnastics. They sometimes use wedge shaped mats.
Wedge is not a brand or product which can be used in a correct way. Instead 'wedge' is a technical term with many uses. The most common use of the term if in reference to a 'wedge' of cheese or wood. This is typically a triangular solid with 2 triangular faces and three trapezoid faces.