One great thing about kayaking is that most everyone is approachable (at all levels) -- and if they're not, then you probably wouldn't want to waste your breath on them anyway.
I have found Paul Caffyn approachable and I'm sure that he would be more than happy to answer a sincere question. However that doesn't mean you shouldn't do your homework first, a little research goes a long way. A short article by Caffyn on rudders is at www.expeditionkayak.com/resources/skegs-vs-rudders/ .
Pull-Up Strap Handle Kit
Paddler's Truck Rack
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