Dog Collars With Lights

Halloween Costume help?
My girlfriend wants me to be emo/gothic this year.
With the whole studded dog collar and shit.
I have a light brown hair so i was thinking i should probably dye it.
But i have no idea what all the goth/emo look consists of.
Any ideas?
http://images.google.com/images?hl=en&source=hp&q=emo+boys&gbv=2&aq=3&oq=emo&aqi=g10
like this
jst wear all black.