Oh, the greatest magic of all: adding extra beads as it's swallowed.

She's not actually pulling it all the way through her body, she's just doing a magic trick- the second set of beads were already in her ass, you can tell by how there's magically a second pull tab where there shouldn't be one. She is NOT winning Penn and Teller: Fool Us, smh

Wyrmmidon said:

you can tell by how there's magically a second pull tab where there shouldn't be one.

Also the fact that the first one can be seen on the hand covering her mouth.