Tric on retreat weekends are by tradition Halloween Lotto children, children often dress up and go out on the House to ask for sweets. Candy or sometimes, as with the question of whether "Trigg of retreat?" the term Trigg (trick) means that if the home owner does not make a ' treat ' is one of the children asked, it will disturb the owner House or residential area, which in some areas of Ireland and Scotland children will sing, or ghost story to share with the House accepts the. 'treat'