Quote Originally Posted by davedove
As others have said here, the fly plaid is really just decoration. I'm sure it evolved from some useful article of clothing, but that was long ago.

The only use I can think of for modern use is as a shawl for a lady companion should she get cold.
Evolved from:








Belted Plaid/ Great Kilt!!!!



Now, only in representative form for the top half of the BP.

Actually=> the belted plaid is QUITE practical (esp. when cold).
The fly, however, is decoration.