I never travel without Tabasco minis. 

What's something unique you never travel without?

Art catalyst, technology innovator,
founder Vitruveo — Blockchain for Creators

https://www.vitruveo.xyz

BT adapter for the plane monitor so I can wear my noise canceling ear buds instead of corded headphones. Once I tripped on my earphone cord at the beginning of a 14 hr flight and it broke off in there, so I had no movies the whole flight! Never again!

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I have one of those but after I discovered that I can work and keep on eye on a show at the same time by enabling sub-titles, I don't listen to shows on planes any more.