We already have some items in the game that have a pretty clear western aesthetic, but it'd be really neat to a complete look. For example you can take the cloaks the Hunter's have and turn into a Poncho with a hat.
I think it'd be pretty cool to see some more unique items like that. Could introduce it with a new or perhaps reintroduced desert location.
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Dont forget us titans, we need the drip too lol (Srsly though, I really feel like we need more ornaments around this)