While they are now sadly “unavailable” they were once for sale. And people bought them.
I actually got one of these in with something I bought, like a free gift.
I can tell you I would never in a trillion years put them in any orifice of either me or anyone else.
They are cheap plastic balls covered in some metallic paint of unknown composition, strung together by a satin cord, through the bacteria-loving holes drilled in them. Ew.
This is another example of a manufacturer who wants so badly to make money off the kink market that they just make up a toy, unaware that the design is not only unsexy it is unsafe — and they hope consumers don’t know and buy it anyway.