A tampion is a thing that you put in the end of a gun to keep stuff from getting in.
Tampions are important for keeping guns safe and clean.
Examples:
The tampion keeps the gun clean.
He took the tampion out of the gun.
The tampion is red and blue.
The tampion is like a hat for the gun.
The tampion is the most important thing for the gun.
The tampion is always in the way when you want to shoot the gun.