Kujo shows absolutely no aggression at all except when I walk him alone.He's also very submissive to myself and my husband and when I correct him for his behavior he stops right away.Being a former breeder of Akita's this is not unusual behavior.I'm going to try the spike collar and continue working with him.If I find I can't solve the problem I will definitley take your advice and consult a traineer.I really think it's because my husband isn't home and he feels he has to take over and protect me.