I'm bald so when I bump my head it usually results in bleeding. I got tired of banging my head on nearly everything I worked on so I got a bump cap with micro brim. It's been great.
Bump Cap (Amazon link)
Does that contraption stay on all the time? If not, you have to pull the drain plug and install this before draining? Trying to figure out how you get the drain hose on without making a mess.