What's the most witchy item you own?

My grimorie. Some modern folks might call it an agenda.

This little black cat. She's not good at helping with magic yet, she's just a baby! Maybe one day she'll be a good familiar!

I have a decent amount of hats, although none of them has quite sufficient size or flair...

Either my triquetra necklace charm or some consumables I have around (like cascarilla powder, Florida water, etc.).

I have a sealed bottle of sea water and sediment from my favorite city. I consider it my little slice of that city.