What is the cowboy hat rule?

There's no single, universally recognized "cowboy hat rule." The term is likely used informally in several contexts, each with its own meaning:

• Informal Dress Codes: In some settings, like rodeos, country music concerts, or even certain Western-themed restaurants, a "cowboy hat rule" might exist informally. This isn't a written rule, but rather a social understanding that wearing a cowboy hat is accepted, encouraged, or even expected. It's entirely context-dependent.

• Specific Venue Rules: Some establishments might have specific rules about hats, including cowboy hats, especially if they're deemed obstructive (e.g., blocking views in a theater) or violate safety regulations (e.g., in industrial settings). These aren't typically referred to as "cowboy hat rules," but rather as general hat policies.

• Misunderstanding or Jocular Reference: Someone might jokingly refer to a situation where a cowboy hat is unexpectedly relevant or inappropriate as following a "cowboy hat rule." This would be a purely informal, non-existent rule.

In short, there's no formal "cowboy hat rule" in law or widely established social custom. Any instance of this phrase refers to a situational interpretation or a colloquialism. To understand the meaning, you need the context where it was used.