All good info so far, but I’d like to add my opinion. No lever plug should be used as a drain plug. Many things can happen to knock the lever open and then things seem to happen fast in the wrong direction. Twist in plugs are all I will use for my primary plug, T handle to tighten and secure it. Had a lever plug get knocked open once in rough water and come out of the hole. We stopped, looked at the water, then had to find the plug that had been rolled around for a bit. We did OK but I took a lesson from that. Twist to tighten plugs never get knocked out, just forgotten. I’ve done that a few times. It’s part of my process before I leave the house, but I’m not perfect.
Creativity is just intelligence fooling around