a few factors come into consideration. i wont daty if its a late/busy weekend and whats offered on the menu. besides that, i tend to return the favor after their bj script, and see how she reacts. most memorable for me was aec - jeni, where its daty lead to me lifting her hips up like pile-driver, then dato and digging my nose on her v/clit. shes squeeky clean so i went for it lol. had one sit on my face too and it was pretty hot.
daty is mainly something i do to cool down after bj, and get them buttered up before the main course. busier/experienced, or should i say most providers dont care for it, but its 5 minutes average of them just laying there looking up the ceiling or eyes closed. if she closes and bends her knees, its a sign shes on the defensive and dont want the stimulation.. for actual techniques.. do long up/down strokes.. focus on the clit, and you can stimulate it by sucking and literally eating it like a ice cream cone. watch some amateur lesbian clips, not those fake production studio crap.