I tried the tech on a couple of glossy scraps - that was in Stampers Sampler Apr/May 10 issue on page 16. The one on the left turned out better colour wise.
The stamp I used was by Stamp It and the saying by Rubber Moon.
I brayered the background on the glossy paper then stamped with Staz on Black. Let it dry thourghly. Stamped my image with clear stamp pad, imbossed with clear powder. Rub the card with a darker colour then wipe off with a paper towel to make the brayered image pop out.