September 24th, 2011 WorkshopNovember 16, 2011Student cutting the jack lineBy Minna Koistinen Previous Waiting for glass to cool down Next MInna Koistinen instructs student in glass shaping Related Posts Trailing glass to make a glass ornament November 17, 2011 MInna Koistinen instructs student in glass shaping November 16, 2011 A glass paperweight on the pontil rod November 16, 2011 Student applying color to molten glass from the marver November 16, 2011