We're talking about a specific practice here, and in fact I rely on the lack of general prudeness to elaborate on my point in another reply. Because people hav

We're talking about a specific practice here, and in fact I rely on the lack of general prudeness to elaborate on my point in another reply. Because people have been getting it on quite creatively forever and because they were often writing about it (and because many older living people got around too), we can make reasonable -- if not authoritative -- suppositions about the specific things that people were getting up to in various communities at various times