The word "bar" comes from the name of a specialized rack, behind which alcohol is poured. Weekly trip to the bar with the best friends is a tradition that people from different continents adhere to. The .BAR domain registration is an excellent opportunity for bar owners to get a recognizable and memorable address for the site.
For bars websites
As most bar names usually ends with “BAR” wouldn’t be fun to have your bar website name also ending in .BAR. example Green.BAR, Johns.BAR, Janes.BAR e.t.c
For websites of manufacturers of alcoholic beverages
Allow your customers see why you have the hottest joint in town, let them see the quality of service and atmosphere and what drinks are available. Let your name reflect your bar with a .BAR domain.
For bloggers and aggregator sites
If you own an aggregation website that aggregated different bars across several locations. Making the domain name end with .BAR makes your website more specific and target focused. Plus if you are very creative it could lead to more catchy names for your site.