Hop Kotan Kotan’s Secret Double IPL is an 8.3% double India pale lager from Hop Kotan Brewing, based in Kamifurano, in Hokkaido, Japan. It’s part of their regular lineup and can be found in bars across Japan. The secret part of the beer? Noone knows what hops are used in it, as they are a Secret belonging to Vic nudge nudge, …