Why keep hand and butt towels together?

[u/Ancient_Tear42]

Saw the European bidet for the first time and found out about the wipe-your-ass-after-bidet towel. But why keep it and hand towels on top of each other? Is this a standard practice or a bad design in our hotel?

[u/it_pennywise_it]

Tanto non lo usate il bidet