Looks like the guy on the right needs his gaping mouth filled. Only saying.
I don't understand nude yoga. When I did yoga class we were supposed to go inwards/rid our minds of distractions etc. I sure wouldn't be able to do this with a bunch of naked people around me, distracting.
I remember once being in a nude yoga class and when I went down, I forgot there was a guy under me, and I accidently teabaged him! Jk.....I think.......