What has eighteen legs and catches flies?

I'm what a lure might do, or a feeling of dread inside you. In quicksand, water, or any similar thing, I'm what the effect of gravity will bring.

If I am holding a bee, what do I have in my eye?

I can break a silence without making sense. I move quickest between people, and disappear when forced.

It holds liquor, but not a cask. If you'd like a nip, just ask. To full it without spilling is quite a task. Drink enough from it, in warmth you'll bask.