Eire 91
Image by bawn79

I assume you'll be making the beer before you soften the hides. Otherwise that beer is going to taste a bit funny.

Oh you mean multipurpose in different places.

That to me would make most sense. Within a 2 mile radius of where I live there are a dozen that I'm aware of. There were probably more destroyed by subsequent agricultural clearance. Some occur in clusters of two or more.