the west side knives (or just knife for short) is a gang in Washington state. they grew in population to about 80 members and is still seeking to get more. unlike other gangs like Blood or Crip you don't have to ask them to join all you have to do is consider your self one with them and start wearing there colors.there gang colors are dark green and black so they can "blend in to there surroundings".the west side knives have a gang sign where you press on your highest nuckle on your ring finger.knife has many more gang signs like the one only the leader of a group can do.