For all she's worth

Suki's face took an an evil grin as she paced towards the prone, frightened American. "I said on your knees. NOT YOUR CHEST!" Her voice cracked and the whip fell on Cathy's naked back. The girl screamed in pain but staggered onto her knees to avoid further punishment. "Good. That's good. Now, it's obvious you know that your tongue is only good for one thing right now, don't you girl?"

Cathy sniffled. "uh uh uh... no?"

"Wrong answer!" The whip fell again, further marking Cathy. "The correct response is "Worshipping you, Mistress. My tongue is only there to worship any part of you you want." Now, it's your turn."

"Uh uh uh.. Wor-worshipp-ping you, Miss-misstress. M-my tongue is only there to - to worship any part of you you w-want."

"Very good. Now, you'll be a good toy from now on, won't you, my dear?"

Cathy caught on quickly. "Yes, M-misstress. I'll be good."