Joyce Kraly knits a sweater during the yarn knitting night held at "Spiinnin Yarns" in Griffith on Tuesday January 29, 2013. | Charles Mitchell~For Sun-Times Media
Joanne Clough knits a sweater during the yarn knitting night held at "Spiinnin Yarns" in Griffith on Tuesday January 29, 2013. | Charles Mitchell~For Sun-Times Media
Participants spin yarn into various things during the yarn knitting night held at "Spiinnin Yarns" in Griffith on Tuesday January 29, 2013. | Charles Mitchell~For Sun-Times Media
Denise Lower (second from right) spins yarn during the yarn knitting night held at "Spiinnin Yarns" in Griffith on Tuesday January 29, 2013. | Charles Mitchell~For Sun-Times Media
Denise Lower uses a yarn spinning tool to spin yarn during the yarn knitting night held at "Spiinnin Yarns" in Griffith on Tuesday January 29, 2013. | Charles Mitchell~For Sun-Times Media
GRIFFITH — Jamie Gunnink learned the hard way that the difference between a knitting hobbyist and a yarn shop is often almost indistinguishable. Gunnink, who owns Northwest Indiana’s only artisan yarn shop, Spinnin’ Yarns, started her business at home and would frequently order special yarn …