STG girls don't require references. That's a fast way to get busted, either the provider or the hobbyist.
AMP's are easy targets because we tell all in reviews. I never reviewed an AMP. It just tells the world which ones are targets.
There are some AMP's that always say no, but there are ways to let them know you are not LEO.
Every single AMP I have entered has at least given me a HE. Some FS. Some just BJ, but all have given me another option other than FBSM.
American owned massage places only give theraputic massage. I have has some boot me out after requesting more.