It's good that Harley is so good at this because it quickly becomes apparent that Ooru is not. She is clearly trying very hard to make it good, but it's like her only instructions are storybooks and dramatic street theater with the way she opens her mouth too wide and moves her head back and forth for a couple agonizing seconds before pulling back with a surprised squeak.

"That was your tongue!" she hissed, somewhere between shock and worry. "I could have bit it!"