I don't have the stone, but I bought a large sweater shaver from Brookstone, and it works beautifully! They had one on display and I shaved my sweater as I stood there. It was $20, but well worth it.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry