Before my dad branched out into producing his own adult movies*, tapes like these were hidden in discrete locations throughout the house where I lived with him from 1989-94.Sometimes the labels would be peeled off, a move which fooled nobody, ever.
When the change to DVD’s happened the tapes were just moved to the back of the cabinets, just in case VHS made a comeback.
The first time I brought my wife to my hometown I gave her one piece of advice for when we went to my father’s house: “If something is closed, do not open it. Things are hidden for a reason.”
*More on this here, it’s safe to click.