Hi Phillip
Though Forest Pack can be used successfully for rugs and carpets, for sheepskin rugs that have many fine hairs and often look more groomed, I'd be tempted to use Max's Hair and Fur tools instead. Here's a quick tutorial by VizCorbel that demonstrates the tool in action
hairandfur from Austris CIngulis on Vimeo.
I hope that helps. All the best,
Paul.