<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by wingless:
It's probably not a good idea. Even if you manage to persuade them that it's just silly putty.
I can see it now, someone on the flight see it in your hand and the entire cabin tackles you to the floor and beats you to a pulp.
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Wingless, sadly, makes a very good point here!