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.
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
Splitting things
All the girls where wedges.
chicken
The sword is an edged weapon that uses the action of a wedge to push "stuff" apart as it cuts through it.
Cuneiform script
Chopping wood (an axe), a doorstop and even you teeth!
A relational wedge is used to assess the different ways that strangers interact with each other. People are giving a relational wedge so that that they must work together in order to solve a problem.
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.