laundry self-bondage

the task: maximum pain on genitals and aggressive masturbation. orgasm is prohibited. I have to do this until the wash is over. then I will be punished. I am not in the BDSM and therefore it is very important for me to discover the mental and physiological aspects of this niche. so... clothespins on my nipples and pussy lips, bbc dildos in pussy and ass. lets have fun. painful fun...