Ooh! That's easy! Find the gal that most floats your boat, and ask her for her help, e.g., "Hi, I'm Frog - I'm sorta new to this kilt thing, and while I really like wearing it, I'm a bit flustered trying to figure out how to sit without flashing - how do you do it?" Dunno if ya wanna call yourself Frog, tho...

Frog