See, this is why you gotta name your folders something inconspicuous.

Like Folder.

Than you gotta stick a folder called hand-holding in there

Than you wanna stick the most degenerate, most lewd, craziest hand-holding hentai you have in there.

Oh, and you can stick your other fetishes in another folder within this folder, just name it something inconspicuous.

Like Folder.

If you don't leave it at plain sight, it's pretty unlikely your mom is gonna find out. Mothers just don't care.
But if it's your dad, well, that's another story…

"hey son, you really seem to like them chinese cartoons about big boobed chicks"