So what are those stickers on Ohio State's helmets? Here's everything you should know ahead of the national championship.

Ever notice the stickers on an Ohio State football player's helmet during a game? Here's what to know on the Buckeyes' ...

If you look closely, you'll notice stickers all over the helmets of Ohio State players. Some have just a handful, while others are covered on each side with white decals, making the headgear stand ...

The easiest way to collect the trinket is by winning games, however. Any time Ohio State wins a game, everyone gets a sticker. If the Bucks beat a Big Ten side, that results in two knickknacks.

If you've watched any Ohio State football games, you've probably noticed the players' uniforms, especially their gray, sticker-filled helmets. But what is on those stickers? And what do they mean?