All right—for lack of something better to post, here is my complaint letter to Clubhouse:
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Category Type: Complaint
Subject: Packaging
Product Name: Vanilla extract, almond extract, etc.
Message: Is there any way you can redesign your vanilla extract and almond extract bottles to be more leak resistant? I can't imagine that I am the only consumer who accidentally and unknowingly knocks over those bottles in the pantry only to discover them lying in a messy puddle with half the extract wasted. It would be enormously helpful if you could add a soft plastic gasket to the lid or something, because the paper gasket that you use just gets saturated and then doesn't function well as a barrier against leaks.
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Their response to follow.