im assuming theres some kind of bug inside like maybe bees or smth so when the orb heats up they wake up and start buzzing
JAJSJAJSJJAJXJAJSJA OMG but that is so dangerous
well it looks like its made of metal or smth so maybe theyre sealed inside
The ancient ones were filled with mercury, so movement had a vibratory effect. They're only supposed to be used in the vagina, as assplay with one of these risks it getting lost up in there. But of course, yaoi makes its own universe rules ┑(￣Д ￣)┍
I'm genuinely curious about how this ancient toy works tho