They were also used in ceremonies , such as for aromatic smoking , which was believed to have purifying effects .
Coolamons were often ornately decorated on their exterior with various etchings -- depicting tribal insignia and totemic designs .
Coolamons were also used in ceremonies , such as for aromatic smoking , which was believed to have purifying effects .
Coolamons were often ornately decorated on their exterior with various etchings -- depicting tribal insignia and totemic designs .