OK then, the details. No, he doesn't have a thumb, duh. He lies on his side and bites the inner penis and humps along with it. Then the red (baby) rocket and standing kinda helplessly for about ten minutes.
I hope this makes it more clear?
Deja, GSD, sable WL, female, born 11 / 2013
Cam, Rough Collie, sable, male, born 8/2015