double bagged with ziplocs and stuffed firmly between the cheeks will work if you're careful....the fact that you're with a group will help, because it's awkward for them to separate one person from a group. i'd say just be calm and confident and you'll be cool. those dogs you might see, by the way, are looking for dbombs, not drugs. also, if you're flying from cali, why are you worried? a buddy of mine got caught trying to fly to ohio from cali with an eighth. they caught him in cali, but hey, decriminalized, so it was a 50 dollar fine and he missed his flight, no big deal. once you're past the security in cali you're golden.