I was visiting a friend who has a fantasy about bondage, she likes tying women up, locking
them in her bedroom, and going out for a few hours, leaving them there. She is a good
friend, so occasionally I will let her tie me up and leave me locked up in her bedroom,
when she went out. 

One Friday, she tied me up, then when I was helpless, started to undo my blouse. I said
that I wanted to remain fully dressed, but she just gagged me, which was also not part of
the agreement. She only undid enough buttons to expose my boobs, then removed my bra,
leaving my boobs totally naked. Then she blindfolded me, again not part of our agreement,
and left me alone. 

You may think I should have been worried at this stage, but she had changed the rules a
bit occasionally in the past, it gave her a sense of power. 

This time she had more on her mind. A few weeks previously her brother and friend of his
had been visiting her, and the friend had spent most of the time gawping at my boobs. At
dinner, when I was not present, the brother was teasing him about it, saying that he bet
his friend would like to get his hands on them. The friend replied that it was not quite
what he had in mind, and added "you know what I like". My friend asked him what
he meant, but he refused to explain, her brother was less tactful, and blurted out
"He wants to torture her boobs". After a bit of thought she told him that I
sometimes let her tie me up, but bent the truth a bit to make it sound like she was doing
me a favour, not the other way round, and that I really like bondage. She suggested that,
for a fee, next time we did it, she blindfolded me, and then he could sneak in and do
whatever he wanted to my boobs, she would leave him alone in the house to do whatever he
liked. I would not be able to identify him because of the blindfold, and she also claimed
that I would be to embarrassed to report it to anyone anyway. He was afraid to do so at
first, but his desire to get his sadistic little hands on my boobs got the better of him.
They agreed that he would pay my friend a hundred dollars for this service.

But I did not know all this yet. I still assumed that my friend had just decided to tie
me up a bit differently. When I heard the door open and close again, I assumed that it was
my friend coming back for something, but when I felt him pinch my nipples hard, and twist
them painfully, I knew something was wrong. I protested through the gag, but he ignored
me, and kept twisting my nipples, and pulling them, stretching my boobs in ways that they
were not meant to go, and that hurt. This went on for over an hour. 

Next he started punching my boobs, like I was a punchball. Not hard enough to injure me,
but hard enough to really hurt. Over and over he punched them both. 

When he was too tired to keep on punching me, he got out two enormous G clamps, and
attached one to each of my boobs. He tightened them as far as possible, crushing my boobs,
then let go of them. Because he had fixed them with the heavy part at the top, they tried
to twist round, and in the process twist my boobs. The elasticity of my flesh was not
enough to let them go as far as gravity wanted, but they twisted my boobs as far as
physically possible, causing me a lot more pain. 

He left me like that for a while (I found out later that he had gone into the kitchen to
get a snack). While he was gone, I began to wonder how he had got in. At that point I had
not guessed that my friend had set me up, I assumed that he was a burglar, who had found
me like that, and took advantage of the situation, or someone who knew that I sometimes
got tied up, and had been planning this. Either way I was terrified. 

When he returned, he left the clamps in place, and began whipping my nipples. This was
painful in itself, but it also wobbled my boobs, and increased the pain that the clamps
were causing. He continued whipping my nipples for over an hour. 

When he stopped whipping me, he still did not remove the clamps. Instead he stuck pins in
my boobs, several dozen in each boob. They were inch long pins, and he did not just stab
me with them, but pushed them right in, forcing the full length of the pin into my flesh.
When he had run out of normal pins, he got two hat pins, and stabbed one in each nipple.
They were several inches long, so he could force them right in my boob, until they touched
my breastbone. It was agony. 

While I was in this pain, I could hear him sitting in another chair masturbating. 

He had what I later discovered was a toy, intended as a practical joke. It looked like a
packet of cigarettes with one sticking out from the top of the packet, but when you tried
to pull it out it gave you a safe, but painful electric shock. He had adjusted it so that
the cigarette (which was really a metal tube) was constantly live, not just when you
pulled it, so he could use it as a cattle prod. 

The clamps were still on my boobs, and the pins still stuck into my flesh, and I thought
that I was in as much pain as possible, it could not get worse. Then he began using his
cigarette cattle prod on my boobs, and I discovered that I was wrong, it could get a lot
worse. 

The prod gave out a painful electric shock that was only supposed to last for a fraction
of a second. He kept applying it to my boobs for an hour......

....They untied me from the chair, then my friend held me while he stripped me naked. I
struggled, as I really wanted to escape, but my friend is strong, and I was weak from the
torture. 

Then they tied me to the bed, naked, with my legs spread wide. He climbed on top and
fucked me...........