Are you on Ravelry? I found this one, but I'm not sure it's what you are looking for.

http://www.ravelry.com/patterns/library/marianne-arm-cuffs--lace-wrap

That's what I would call a shrug.

Knit ribbing of your choice in the lenght you want.
Next row increase in every sts, doubling the stitch count.
Now pick a lace pattern you like that works up in that stitch count. Work until piece is almost the length you want from wrist to wrist.
Decrease every stitch to original ribbing count for the other cuff.

The pattern I use is not a lace pattern but this is the way I make it in the other stitch pattern.

Tami