Difficult question. What are the rails called on a Canopy Bed?

I'm sorry its really hard to expalain but the rails that the sheets actually hang from on a canopy, what are they called? You can get them for your bed individually without having a canopy but I need to know what they are called. They are not called rails.

Canopy frame?

Load Liner Double cab over rail load liner cut to under rail load liner for Mitsubishi L200 MK5