Matches

Matches are a Hobbit a tool used to light pipe-weed in their clay smoking pipes.

Background
Matches are not commonly used outside of the Shire. Matches are said to never caught on with Dwarves who use only tinder-boxes. On long journeys tinder-boxes are more practical as tinder is more readily available; as Hobbits tend to run out of matches when they need them most.

When Bilbo was lost in the Goblin caves he tried to feel in his pockets for any spare matches but couldn't find any at all, but he realized that the striking of matches and smell of tobacco would have exposed his position to the Goblins.

Dwarves light fires with tinder-boxes and never really took to using matches.

Behind the scenes
In real world matches predate fireworks something that Gandalf has introduced to the Shire. As they are based on similar technology it may be possible that matches were introduced to the shire by Gandalf as well.