Ramstein, what AMPs are you referring to? I've noted two in particular under another topic elsewhere on this board that regularly offer such service, but I'm assuming your research is based on more than just a few locations.
On a related topic (from another of your postings), I too have always wondered about those Asian nail salons (redundant?) that offer massage. 'Cept I've never worked up the nerve to patronize one... perhaps knowing I could spend my time and money elsewhere.
RR