hi folks.new to this forum.rebel can you get access to a rabbit pen?..as with everything involving training,patience is the secret.the little dog is only doing wha he was breed to do..go back to basics.you say you have just aquired him,2 or 3 weeks spent basic traing again might be your answer..as with all cockers YOU need to apply the brakes..get him hard on the stop whistle.go back to the basic training,get him on the sop whistle then only when you think hes ready get him in a rabbit pen..try not to put the dog in a position where he is doing wrong..be patient.good luck...oh and why gethim t