Table showers are mostly offered in massage parlors. Essentially the girl will give wash your body, while you facing down. It is a sensual service and comes with happy ending.
There is something called milking table. The milking table has two holes, 1 for the face, similar to the regular massage table and the other hole is for the dick. Here the guy is laying down on his belly, face down and the dick goes into the 2nd hold. Most of the time there is a partition at the bottom, so you cannot see anything. The girl then gets naked, goes underneath and performs sensual play, such has touching, slight pulling, kissing, licking, blow job and such. But this all happens without you anticipating what is happening. Once the guy blows out, a regular massage will be offered.
Hope this helps.
