I wear one. One day when I was you, in the spring I slipped on some sand and went down. the helmet hit first basically saving my nose. I've also been hit on

I wear one. One day when I was you, in the spring I slipped on some sand and went down. the helmet hit first basically saving my nose. I've also been hit on the head by an acorn. Thats mild, but it could be startling enough to loose control, but it was just a noise for me.