Romancing the StudioNovember 11, 2011A PufferBy Minna Koistinen A puffer is used to inflate the blown piece once it’s already transferred onto the pontil rod. It fits over the mouth of the blown object and you blow through it. Previous Glory Hole and Yoke Next Furnace with molten glass inside at 2025°F (blowing temperature) Related Posts Furnace with molten glass inside at 2025°F (blowing temperature) November 9, 2011 Glory Hole and Yoke November 11, 2011 Close up of the Glory Hole November 10, 2011 The Glory Hole November 10, 2011