Censers are liturgical objects, often used in Catholic churches during various religious ceremonies. Censer consists of a metal can with a suitable seal, which is fastened to the special chains. In forests (casket) is placed cauldron, where the glowing charcoal. On the red-hot lumps of coal is sprinkled incense or perfume, making the aroma during combustion. Frankincense has long been used is during religious ceremonies and in medicine in different cultures.