The roller crimper  is an agricultural implement widely used in no-tillage systems to uniformly lay down cover crops or crop residues from the previous season.Depending on the region or country, this equipment may be known by different names. In Australia , it is commonly referred to as a stubble cruncher , while in some regions it is also called a knife roller  or simply a cover crop roller . Regardless of the name, the principle of operation is the same. The roller crimper