Happy Ending Massage

What is the best way to order a "happy ending" after a massage in a salon?

I get a massage in the same room all on Tuesdays, I really want to ask the person for a massage "happy ending" after the massage, but I always get nervous and possibly ask for. How can I ask you. Oh, and by "happy ending", I mean a bl0wj0b:)

Kick Out we the people demand, but good luck with the naughty