Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
It is true that a few horses by reason of the conformation of their shoulders, their physical condition, or the nature of their work are predisposed to this class of ailment. However, it may be safely ventured that the majority of cases results from a lack of knowledge as to what is required for the proper fitting of a collar