You can try them all, but you will always come back to the best one. 

You came back for second lesson with Mistress Kim!

But this time, she has a strapon!

Ops! That is going to hurt...but in a good way.

Do not worry, she will also make sure that your balls are correct shape when she is done with you.

Full version will be coming out in few days. Little bit late because I am already working on Christmas special! Stay Tuned!