Shower drain
I have one of these in my shower and bathroom sink. You click it to plug the tub and when you want it to drain, you press it again and it pops up. The one in my shower is currently busted and is stuck in the "down" position. I unscrewed the metal top and removed the black plastic piece so it will drain (I only have 1 shower).
Is this something that I could replace or should I call a plumber? I am a first time homeowner and somewhat handy, but don't want to really mess up my shower.