When crossing, be very clear about your answers and respectable to the border guards. say yes and no as opposed to yah and uh huh or uh uh. make direct eye contact. if you're not the driver of the vehicle do not speak unless you're spoken to.
have id. that is a must. like chris said, don't wear your raver gear. not even just not wearing candy, don't wear raver clothes
alrighty that's my helpful hints for today