Among them, shoko is divided according to their shapes, into senko which are in the forms of a stick, coil, or whorl, and makko which are in powder; but there are many variations.
このうち焼香も形状によって、棒状、コイル状、渦巻状の線香・粉末状の抹香に別けられるが、種類は多種に上る。