Above: A moth, shown here deploying its "relatively large protuberances." Just imagine those things wriggling their way up your nostrils and tickling the backs of your eyeballs.
As RAIJU points out in the comments, these protuberances are in fact the pheromone-dispersing androconial organs of a male moth. The technical term is coremata (from the Greek for "feather duster"). More androconial organs here. Video, with party-horn noise, courtesy of redditor Chucke4711:
Don't ever change, Internet.
[Fencehopping via Boing Boing]
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