I had bought two so-called "rubber bladders" and my slave really wanted to demonstrate to me that he could actually manage to get in there without my help. Actually, this is very difficult to do alone and not as easy as the manufacturers of such rubber bladders propagate. I let myself be surprised.

The first rubber bladder was a little longer, but brand new and correspondingly firm. Here I helped him in the back area. But I almost think he could have done it on his own...

Afterwards, I created a nice vacuum in this rubber bubble.

Now the second rubber bubble came ...

I had bought two so-called "rubber bladders" and my slave really wanted to demonstrate to me that he could actually manage to get in there without my help. Actually, this is very difficult to do alone and not as easy as the manufacturers of such rubber bladders propagate. I let myself be surprised.

The first rubber bladder was a little longer, but brand new and correspondingly firm. Here I helped him in the back area. But I almost think he could have done it on his own...

Afterwards, I created a nice vacuum in this rubber bubble.

Now the second rubber bubble came into play. This one was smaller, but the latex was a bit thinner.
And here, too, I created a vacuum. When I saw his total helplessness, I again thought of little mean things: I put on a high-powered vibrator and the whole rubber bubble vibrated, which made him shudder. With very tight latex, the transmission of vibration is already very intense and finally I even created an intense vibration with my hands...