I always notice that I get a lot of bruises right below my knees. I have no idea how they get there. I don't recall banging my legs on things. Though I guess it could be from kneeling on things, like the wood edge of my garden bed. That might do it. It's just funny cuz I don't normally bruise easy, but right around my knees I get tons of bruises. I need a suit of armor or something, at least around my legs, to protect my knees.