Law without Sanctions by Michael Barkun describes customs that are behavioral patterns that transform into norms and are set as rules or laws. The book hardly describes law without sanctions as the title suggests. In fact, law and its effectiveness is hardly mentioned in the book 'till the very end. However, the book mentions the valuable meaning of law and the development of law in his view.
Customs can be looked as behaviors, which most people adopt because they are "modal tracks of behavioral events", as Michael Barkun says (p.82). Customs are paths of behavior that are followed. …