Hookless curtains are ridiculously easy to install. Just slide the large grommets over the rod and you are done.
Tip: Go rustproof when you pick grommets.
Hooks, on the other hand, are available in a mind-boggling array of shapes, sizes, and designs. There are plastic rings, metal ones, plain, colored, decorative and whatnot.
If you aren’t looking to slide down the rabbit hole, go hookless.