design haircuts

What is the term/name of the mens haircuts with lines and designs cut into them?
Here is a few pictures of what I’m talking about:
http://www.menshairstyles.net/v/cool_men_hair_styles/cool+short+hairstyle+for+men.jpg.html
http://www.menshairstyles.net/d/40083-1/cool+men+hairstyle_001.jpg
Tramlines
But most people just call them “designs shaved into the sides of their heads”.