Flat Incense Holder Case (50 Pieces) – The ash catcher is the most common type of wooden holder for stick incense with a bamboo reed. It’s basically a flat piece of wood that curves up at one end. There is a small hole in the curved end that the bamboo reed is inserted in. These holders are also available in aluminum, ceramic, glass, stone and bone. Many of these ash catchers are ornately painted or inlaid with brass.