What's your experience with Ben Wa balls?

I tried them with fabulous results.

I tried them but it was nothing special.

I tried them and it was awful.

I've heard of them and I'd like to try them out.

I've heard of them, but there's no way I want to use them!

What the heck are those?

My partner and I tried them with fabulous results.

My partner and I tried them but it was nothing special.

My partner and I tried them and it was awful.

I've heard of them and I'd like my partner to try them out.

I've heard of them, but there's no way I want my partner to use them!

What the heck are those?