After only a second's hesitation, Susan's other hand swirled down to her thighs and lifted up the short skirt of her dress. She quickly slipped beneath the elastic of her pink panties' waistband and moved down to comb her fingers teasingly through the soft auburn curls of her pubic hair.

"Mmmmmm!" she groaned, feeling very wicked for doing this to herself while her husband and daughter were up front in the car driving at a good sixty miles an hour. But it was feeling so good by now that she didn't really care.

"Yes… yes!" she moaned out… "Oh, yes!" Wide-eyed and panting now, she undulated her firmly rounded buttock down against the mattress, her face becoming contorted by her rising lust. Her tongue ran wildly along her spread lips as she mewled and groaned beneath her own deft touch. Her hand tangled tightly in the folds of her hungry, neglected pussy, and then with a gasp her fingers thrust themselves upward into the moist darkness of her glistening vagina!

"Oh God!" she cried out, knowing that no one could hear her. She bucked her straining hips up as she worked her long thin fingers higher and higher into the warm tunnel of her now open cunt.

"Mmmmmmm. Oh! That's good… Oh, my… yes, that's good!" Susan cried, talking to her imaginary lover as her long red hair tossed about on the bunk bed and her head flailed in helpless surrender from side to side. The entire trailer swayed wildly as they turned a particularly sharp curve and Susan groaned softly as the added motion increased the strength of her self-induced pleasure.

Her hand moved slowly down from the painfully aroused mounds of her breasts, trailing to the flat plane of her belly now exposed as her dress bunched higher above her heaving rib cage.