Just walk really camp and they won't follow you.
Yup mincing usually works

I've noticed my son gets a few odd looks etc from security guards (long hair greb, his words not mine) but it all depends on the way he walks around. Typical slouch/mooch he gets eyed, if he walks around confidently especially with a basket no one even looks twice.
S

. I wear black combats and a white t-shirt and then if its cold a fleece, not really your average chav.