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There are a few triggers for Winter Bash hats that are reused throughout the years.

The answer below lists all the hats with common triggers throughout past Winter Bashes and I hope that this list of criteria will be useful in guessing the triggers for secret hats.

It's important to know your history ... in more ways than one.

For individual Winter Bash lists, refer to:

For a list of common hat designs, see Which Winter Bash hats were reused in past years?.

  • Why only the common hats and not all of them? Isn't the case where a hat with same trigger is secret in a year and common in another? Eg. the Hannukah and Soltice hats this year. – ypercubeᵀᴹ Dec 20 '17 at 12:20
  • @yper-trollᵀᴹ True, but this's basically a list of criteria that are used more than once, which's more likely to be reused again. You do have a point though ;-) – Panda Dec 20 '17 at 12:22
  • We already had some secret hats in the answer. Edited to show them. I probably missed some. – ypercubeᵀᴹ Dec 20 '17 at 12:31
  • @yper-trollᵀᴹ It's fine, thanks! – Panda Dec 20 '17 at 12:39
20

This answer is a community wiki, feel free to add in any hats that may be missing from the list.

For a list of common hat designs, see Which Winter Bash hats were reused in past years?.

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