This blocked shot by Tampa Bay Lightning forward Nate Thompson on Washington Capitals’ defenceman Mike Green is probably the best advertisement for visors of all time.

Don’t think that visors should be mandatory? Check out this picture of what’s left of Thompson’s and think about what his face would look like without it.

Visor

Scary stuff.

*UPDATE* Here’s the shot in video form.

Stick tap to @CorkGaines for the GIF and Brian Breseman for the photo.