Samples, no- just PM him for details really, far quicker and easier than rooting around this place for burried threads and such. What you're after is one of these basically:
http://www.rc-monster.com/forum/showthread.php?t=10233
There are a few variations in shape depending on who makes it (Serum has an older version in a G2r revo, but the basic design in the same).