Top 10 Most Useless Legend of Zelda Items

It breaks after a few uses your better off getting the Biggorons sword than waste your hard earn rubee's on the giant's knife.

The Deku Nuts are useless?

Useful for getting the heart piece from the guy from the laboratory but other than that it's not really worth the effort winning.

Tingle's out of tune no matter what so this is useless.

I wouldn't necessarily call it useless as you use it to help fill in parts of your sea chart unless you really don't care for it.

While not that useless at the beginning of the game, it becomes obsolete later in the game. You're better off with the Hyper Slingshot (Four Swords, Seasons) and the Scattershot in Skyward Sword.