dont scrape it out CLEAN it out. Get some rubbing alcohol and salt/rice mix together and let your pipe soak in it, remove and wash under hott water. If you are over 18 they have no right to tell you, you cannot carry it unless there is resin in it then you are fucked for possesion of drug paraphernalia.I wouldnt carry it on your person either wrap it up and put it in your carry on or in your luggage.