[BlameKaneda]

How would you keep the flat sheet in place? I have a love-hate relationship with fitted sheets, but when they're on the mattress they usually stay put.

[warrenm]

The so-called "military" or "hospital" corner

Here're two examples: https://www.youtube.com/watch?v=p8d4-vA_sEY or https://www.youtube.com/watch?v=j7nD-S7pIV8