Step 1: Create a new project, just about any size will do, perhaps. I did 200x200 just because the original tut did, and I figured, why not.
Step 2: Using your text tool, insert a capital X. This may work best with a font that has rounded edges. The original used a font called Westminster, which I didn't have. So I used a font I had called Gothikka. Also, for a suitable gold color, try #ECC674 (R:236 G:198 B:116)
Step 3: Convert your vector layer with your letter X into a raster layer.
Step 4: Go to Effect -> Texture Effects and select Sculpture
Step 5: Now here's where it starts to look like a gold chain. In the Sculpture dialog box, use the settings I have in the following image, or play around with them a little to your liking. Then click OK.
Step 6: Next duplicate the layer. Then, using the move tool, drag the new X down and line it up under the first X. Repeat this process a few times to build your chain.
Step 7: Once you've finished making your chain, right click in the layers panel and select Merge -> Merge Visible. This will flatten all the individual X's down into one long X-chain... Also, crop out the extraneous area around the chain. Then, for easy use of your chain in later projects, go to File -> Export -> Picture Tube. Play with the settings and name your picture tube. Enjoy
And of course the final result applied to a torso, with a little drop shadowing for effect.