Like this?

"I'll help!" Cousin Eric exclaimed.

"Sure, come over here and help hold her down." Aunt Debbie explained.

"You mean... like this?"

Lauren gasped as Dennis put one hand on her shoulder, the other RIGHT ON HER NAKED ASS! Her eyes bugged out as she felt her naked backside being touched by a boy for the first time. Not just any boy, but her creepy cousin!

"That's perfect." Aunt Debbie said. "Now, the important thing is to not let her move, no matter what...

With that Aunt Debbie grasped the pliers and used them to grip the first quill in Lauren's meaty butt...