One of my favorite pictures of Penny Pax: arms bound behind her, gagged, drool dripping down her chin, breasts bound tight with weighted clamps, a dildo/vibrator shoved deep inside her, visible face of concern/pain/pleasure
Hold your head up as long as you can slut, as soon as it drop the ass fucking machine starts. It has a 4 hour timer and the record is 15 mins. Good luck ;)