It's over-dithered at the moment. Generally, the less dithered a "metal" surface is, the easier it is to make it shiny. Also, you're shading the helmet, but not the little bumps and spikes on it. Do the whole thing. And the inside of the helmet is lit inexplicably - if you only have one light source, and it's coming from top left, that interior should be dark.
Also, this is generally not cool:
free bump for ya, please be sure to go to my topic.
Try not to "bump" threads here unless you have something to contribute to them. If people want to post, they'll post. But definitely don't bump someone else's thread, just to direct them to your own, when it's been dead for a week.
Good luck with the helmet, keep posting progress here.
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que faire quand on a tout fait, tout lu, tout bu, tout mangé
tout donné en vrac et en détail
quand on a crié sur tous les toîts pleuré et ris dans les villes et en campagne