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Firstly, they're much more common. Second, I didn't even know spring-piston existed for a long time (even after I got those ones), and I was younger so I didn't research my purchases the way I normally do now.
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"Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions." - Albert Einstein
"Wise men talk because they have something to say; fools, because they have to say something." - Plato
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