https://www.thrillist.com/drink/nation/fancy-bartending-techniques-how-to
“Doing “fancy” techniques at home can be daunting. If you follow bar and drink culture, you’re bound to see some geeky bartender flashily displaying their proficiency with contraptions like roto-vaps, klinebells, centrifuges, and hydrometers and throwing around terms like “fat washing,” “directional freezing,” and “brix.”
Using those tools to create cocktails can be super fun and lead to tremendously innovative and delicious results. But as lofty as these terms can be, they rely on fairly straightforward principles that can be approximated with basic kitchenware like blenders and insulated mugs.”