I have completed your latest task for me:
I was thrilled to recieve your orders, and on Friday bought a leather dog collar for the humiliating weekend I had ahead. The moment I put it on I imagined you walking me, and punishing me for being a bad dog. As you had ordered, I looped a piece of string through the collar, and then tied it round my pathetic cock. I was already sweaty, and by the time I had woken up on Saturday, I was baking hot, uncomfortable, yet felt like I was in paradise. The string attached to my knob meant that I couldn't really walk, so I crawled around the floor of my house all weekend, thinking of you Mistress. As instructed, I rubbed myself up against everything in my house, giving me a pulsating boner. On Saturday night I slept on the floor like the worthless dog I am, howling for you.
On Sunday, it was finally time to relieve myself, and I let out a massive squirt of my juices while jerking myself off to your beautiful ebony body on all fours. Then, I licked up all my cum like a naughty puppy.
Thank you so much for a thrilling weekend's task Mistress, I can't wait to see what you have up your sleeve next.
Your Dog, Mick.