The Native Americans had plenty rituals that involved the usage of rocks. One of the most known rituals included putting heated up rocks always basalt entering a tepee-like build, otherwise known as per 'Sweat Lodge'. This particular practice had been used to cleanse plus heal the human body and also brain. Other ethnicities, such as the Romans, have a similar thought, causing the development concerning modern-day Saunas. An additional local American ritual put the best heated rock that was wrapped in cloth/bark. This One heat stone ended up being placed on the bring down stomach out of a female who was simply menstruating, in order to alleviate cramps females today employ this similar principle once they choose the hot h2o container.