Any good booklight recommendations?

I’ve tried a lot of booklights over the years, but I still haven’t found “the one.” It seems like they’re all some combination of too dim, too bright, too floppy, too bulky, too stiff, unclippable, book-damaging, and probably more negative qualities that I can’t think of at the moment. I’ve been so dissatisfied with the booklights I’ve tried that right now I just use my cellphone—and that’s certainly far from ideal.

Has anyone here found a booklight that they just love?