9.) Why bartenders do multiple pours.

If you’ve ever seen a bartender do a multiple pour when you order bourbon neat or on the rocks, you might think one of two things:

1. He mis-measured or
2. He really likes you because he just gave you an extra pour. In fact, it’s because there’s something known as “suspended solids” in a bourbon, so by doing multiple pours, you’re actually shaking up the bourbon and rounding out the flavor.