Learning to paint shiny objects

I've never really done still life
so I'm trying to learn how to do shiny objects,
in particular metal/stainless steel right now

I was just browsing youtube and found this video
it's a painting of jugs, not metal, but kinda shiny
it's interesting how the artist blends color by dabbing with a sponge
it's a whole lot of dabbing....but it works :)
watch here

http://www.youtube.com/watch?v=E6FxEJfvOEI

I also found this artist who does impressive still life
M Collier (works in oil)


and here's my attempt / practice to paint a shiny metallic-stainless steel horn for my next rhino painting.

see what I mean ? I can't get it to shine *pulling hair*
I only used Titanium white, mars black or payne's gray, so.....
I so wanna learn painting shiny object.... what's the secret ?



and another artist
whose technique and color I like
Vivienne St Clair

(images belong to the respective owners)

in the mean time, I'm still struggling how to paint a very shiny metal :)