K9 Nose Work® Classes Tell a Tail Dog Training K9 Nose Work® Class Information NACSW List of Certified Nose Work Instructors. Please visit here if you are looking for a K9 Nose Work® Instructor in your area. NACSW™ K9 Nose Work® Trials NACSW™ ORT & Trial Calendar. Visit here for a list of all NACSW ORTs and Trials NACSW™ K9 Nose Work® ORTs March 17, 2011, Escalon, CA ORT - registration opens on January 3, 2012. NACSW™ ORT & Trial Calendar. Visit here for a list of all NACSW ORTs and Trials