Mokume Gane is an easy and (sometimes) fast technique to get wonderful and stunning results.
On the photo you see a Mokume Gane I did on a tealight holder.
There’s not much I could say about Mokume Gane but be sure to check all links – and then simply try it! :)
(All in English)
Mokume Gane: Tutorial at Polymer Clay Central
4 Color Mini Mokume Gane: Another tutorial at Polymer Clay Central
Or take a look at the Polymer Clay Cycolpedia
Many information about Mokume Gane at Glassattic.com
More Mokume Gane tutorials:
Inlayed Mokume Gane
Mudpile Mokume Gane
Donna Kato Mokume Gane