It all started by chance when a lad at work was showing me funny vids on his phone then saying … Now this one well make you laugh Sue! He held it in...front of my face then gasped out load & felt my face going red’ It was a vid of a blonde white woman slowly wanking a black guys cock’ At first I was taken aback but then crabbed the phone to see better’ OMG I said its true then they Are huge! I was transfixed by it & for the rest of the day couldn’t get it out my head’ Later on I said to him …. After using the facilities, and taking a quick shower, I went back to the bedroom. Before putting them on, I noticed that Sir had duplicated the tag from my original dog collar, the one that said “I AM A SLUT, A CUNT, AND A COCKSUCKER,” only now the letters were in red on a black background so they could be read by anyone facing me at conversational distance. I shivered slightly, put on the new collar and cuffs, locked them into place, then picked up the note, unfolded it, and read further.“The. ..” She replied with a slight stutter in her voice, I suspected it was partly due to thinking she'd angered me, but knew it was mostly from having been so close to cumming. “What.... you thought I wouldn't find out? Hmm?” She hadn't changed position during this, and at my words she looked away from me. “I'm sorry Mistress, I never thought, I'm sorry.” “No you never my pet, you'll have to learn” I said as I sat down at her feet, rubbing a hand over her ass as she arched up into my touch. “Yes. He says he only brought the clothes he was wearing and some sweat pants.I said, that is no problem, they can be washed later and dried before morning. so he takes off his shirt and unzips the pants and I got a faint smell of a musky manly body.I said did you even bring fresh undies and he said no. I laughed and said we better do the laundry now while you shower and off his clothes came. Gorgeous body, that tint of manly musk as he slipped off the boxer briefs and jokingly tossed them at me. I.