He was warning his master of his cheating wife

¯\_(ツ)_/¯

Think about it. What is wearing it and where does it go?

I just said

Where does it come from Cotton Eye Joe

The vibrations are not for the person *wearing* the thing. Well, I mean, they CAN be.

*sigh*
It's for guys who are too lazy to massage the clit themselves while they're going to town.
Geez, what do they even teach in school these days...

To be fair, if either (or both) partner is sufficiently fat, the logistics of getting a hand in there can be... wonky.

Well, you're already burning the calories. Just keep at it! :D
Also, you downthumbers are telling on yourselves.