Innovation (Bid'a)

What are the origins of Jaloos, and what is the purpose of these processions? How should we respond to those who label it as an innovation? Sayyed Mohammad Al-Musawi	We are not allowed t Mahmood Abu Maryam
When and by whom did innovations in the Prophet's salat start such as folding of arms and turning of head from side to side as part of salaam to complete the salat? Mahmood Abu Maryam