One anecdote to counter yours: when I came into Glasgow about 6 years ago, I had a few bottles of vodka with me - you're only allowed one. I asked a member of s

One anecdote to counter yours: when I came into Glasgow about 6 years ago, I had a few bottles of vodka with me - you're only allowed one. I asked a member of staff about it and he just said don't do it again, and waved me through. On the other hand, the only place that I've had trouble with my passport (it was kid of dog-eared at the end of its life) was also Glasgow. It depends which security officer you get.