What are these like? Thinking it would perform two roles, first one after ploughing when it gets really wet we could put it on the rear linkage of our 4m Kuhn and second like now when its too wet for our Sky to go on soft wet pre cultivated ground when we could use it on a light tractor as a cultivator drill on the tractors three point linkage.https://email.bt.com/mail/index-rui.jsp?v=2.17.4#