Romancing the StudioNovember 10, 2011Crack-off Bench (Side View)By Minna Koistinen Small propane torch can be used to melt down the pontil mark in the bottom of your art work. Previous Illustrating Work Phases with Chalk on Floor Next Crack-off Bench with Barrel Containing Pipes and Pontils Related Posts Furnace with molten glass inside at 2025°F (blowing temperature) November 9, 2011 A Puffer November 11, 2011 Glory Hole and Yoke November 11, 2011 Close up of the Glory Hole November 10, 2011