The term 'cheap and nasty' has never been so appropriate.
Google 'hidden bathroom camera' and you'll find an astonishing variety of goods designed and sold to spy on, objectify and exploit women at our most vulnerable.
There's also many porn sites that sell and share the images they capture.
'Molka' is one term for this specialist interest.
Yet another reason for keeping some spaces completely free of male access.
Worth keeping to show anyone who still doesn't get it.