The only power one has over you is the one you give him/her. There are so many ways of simply brushing a salesperson off (regardless of what they're selling). 1) blatantly ignore them, 2) laugh hysterically when they attempt to make a valid point, 3)learn a foreign language well enough to master the sentence "I don't speak english", 4) roll your eyes.
Direct defiance is what they're trained to combat. Personally, I just pull out the pentacle (people that learn terms from Hollywood call it a pentagram) that hangs from around my neck and kiss it.
If I really am in a playful mood, I might start talking about how many graces the "Great Spider" has granted me and my divine discussions with this Arachnid god. (Of course, I don't worship spiders, but only I know this fact.)[
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There is no need for a self-defense in this case, just plain old behavioural ploys works like a charm. [}:)]
Direct defiance is what they're trained to combat. Personally, I just pull out the pentacle (people that learn terms from Hollywood call it a pentagram) that hangs from around my neck and kiss it.
If I really am in a playful mood, I might start talking about how many graces the "Great Spider" has granted me and my divine discussions with this Arachnid god. (Of course, I don't worship spiders, but only I know this fact.)[

There is no need for a self-defense in this case, just plain old behavioural ploys works like a charm. [}:)]