glow effect

im having problems with the glow effect script you add to your camera to make objects glow and you can import it with the packages that come with unity but when i put it on my object or camera everything glows i dont want this i only want a specific object to glow how do i do this i want it to look like tron in the movie

can someone tell me what the heck -4 karma means becuase thats what i got on my questions and i dont know what it is im new to unity