While spending time together, Gilda mentioned to Limestone Pie how Pinkie called her one of the toughest mares around, something that happily fed Limestone's ego.

Limestone made the very bold claim to her girlfriend that she was tough enough to take on anything, which Gilda happily accepted as a challenge, and proposed she take on a little tickling. If she could last a whole thirty minutes without laughing, she'd win. If not, she'd face another hour of tickling torment.

The poor mare got chills. She never told Gilda just how ticklish she was, or how much it turned her on. But being as stubborn as she was kinky, she couldn't back down.

Only a few minutes in, and Gilda's claws skittering across her firm abs was already making her poor partner quiver. It was only a matter of time before her weakness was exposed, as well as some other things...