"A micro-brewery in Buffalo, New York, has been offering free beer to encourage vaccine-hesitant customers to visit pop-up vaccination clinics next to its taprooms – and the program has been a roaring success." At least people are used to ordering a beer and a shot.
https://www.theguardian.com/us-news/2021/may/10/buffalo-free-beer-program-overcome-vaccine-hesitancy