Abby was paler but had amazing long red hair almost to her ass. It was wavy and thick and she had bright green eyes. Abby wore a black bikini top with...short shorts. Her bare tummy was concave and she had a tiny waist. Jamie also wore a bikini top that did not totally cover her magnificent tits. She wore a short black skirt and when she moved wrong I could see she was not wearing panties. I kept glimpsing her waxed bare, smooth cunt when she sat or moved wrong. I had a semi just watching the two. . but then... She was behind me and I felt what I thought was a soft cloth.. she was holding it at my bottom... then she reached down between my legs... I couldn't look down... but as she pulled cloth up between my legs I realized... she was putting a large diaper on me...I grunted into the ball gag... almost a whimper...she took a pair of clear plastic diaper pants and had me step into them.. and pulled them up to my waist... She shook her head, "Too bad... but if you can't hold I like an. ”She took some time and then we saw her relax and then start to move it in and out. Debbie and I watched closely. Susan then got on her hands and knees and let me fuck her ass with the vibrator. It looked so cool going in and out. My cock was hard again so I casually asked, “Can I fuck you there?”I never figured she would have any interest in that and almost meant it as a joke but Susan said, “Would you?”I struggled a bit to respond but finally was able to say, “I’d like to try.”Susan took the. .. no mess! I was amazed, and Momlooked totally relieved. Our eyes met and we smiled knowingly at eachother. I took the opportunity to go over to Mom and give her a kiss anda huge hug. "Mom, you're so cool. I'll never forget this trip ... ever!Thank you SO much."Before she had a chance to answer, Phil brought our bags in and askedif we wanted them taken to our rooms. "Philip!" Mom said, soundingsurprised. "What's happened to you? We'll have to go away more often!"He just shook his head and.