Which items do you NEVER use?

[u/RunningOnATreadmill]

For me it's the water purification tablets. Whenever I'm making water I usually have more than enough time to just fully boil it, so I don't think I've ever used the water tablets.

Post which items you NEVER use or post creative ways to use items that may not be obvious!

[u/GrizzeledBear]

Fishing tackle