I was told to put it on which i did stripping in front of him down to nothing my little 32 a cups and shaved hairless pussy. i slipped it over my head...and the dress just came down to the point of hiding my ass. i showed off for him and could tell he really liked it i went in and put on some 6 inch heels to make my 51 frame a little taller and asked if that was good enough for him. smiling at me he agreed and told me he has another surprise and we needed to take a ride for it. curiously i agreed. I set the blade up against the top of his scrotum, just underneath the tightly wrapped tubing. My right hand held the knife, and my left hand pulled downward on his balls. Then I waited. Marsha was into it, feeling him, riding his cock and savoring his hardness. The boy was still trying to jerk his legs together, and he pulled against the ropes that tied his arms out. I know he could feel the blade and my tug on his nuts. He knew the knife was there, set in place, and waiting, waiting for him. I had thought about it since Iwas a pre-teen, but had never had the courage toattempt anything, mainly because I was afraid the wordwould get out all over town. A little backgroundinfo:My parents were in their mid 40’s when I was 21; Ihad two sisters, Lora (18) and Lisa (18); My parentswere not open-minded about “alternate lifestyles”.My sisters and I were not the most attractivegirls in school, but we weren’t homely either. We allhad long, brown hair, green eyes, and. Now she reached behind her and undid her brassier to slide it off her shoulders. Her boobs were so firm, rounded and looking proud with the nipples, all hard and erect. One by one she pulled her tits up to her lips and licked them by making odd circles with her tongue, making them all wet and shine as I watched in complete amazement. Soon, she shuffled lower to straddle on my thighs and struggled a little to push my t-shirt over my head to get it off me and then gently held my hands to bring.