It is not a mythology but merely ancient science- Thaipusa thirunal
Most Hindus, especially from the southern region of India who are scattered around the globe will be performing ritual for Lord Muruga. What are the rituals all about? And how these people in this belief system capturing this event.. 1. They would have vowed and if their struggle turn to wealth or good health; during this festival they will be repaying to lord Muruga such like carry kavadi, pallkudham. 2. The are extremist group (this group are identified early 80s till now under the trans category-it's reducing now) would like to perform beyond to prove he/she is a true devotee by piercing their body with hooks! carries allagu kavadi (beautifying the kavadi with peacock feathers); there are lot more to express their repay to the lord in extreme ways. Even we debate by pointing logics to this type of group, the ending statement to shut such intelligent questions with single statement "kalamx2 maa nam munorgal senjathe, ippo nangge seyirom. Hinduism 3000 years bro, old