Yeah, the audio is what really gets this effect across to the spectator so well.
When I get home on break from school, I'll play around with the glasses (actual glass,) I have in my house. They
should be perfect for the routine.
My roommate happened to see me perform the first penetration with the coffee mug during
a practice session..he sat dumbfounded in his chair, saying "I don't know how the f*&% you did that!!"
The reaction was priceless..I can only imagine his reaction to the routine once I get proficient enough to show him.