I hadn't shopped for a shower door for quite a long time, until now. We want a frameless door. I notice that a lot of them now, including some pricey Kohlers with 3/8" glass.... have a metal strip attached to the bottom of the glass as a glide. This seems to me like a spot where gunk and grunge will form and be hard to clean.

Anyone have experience with those? Do I have to go to a custom $$$ to get just a plain slab of glass like my old one??