My dog (Staffordshire bull terrier, who is 10 months next week) is so so mouthy, in the house I am now doing the place command which is actually helping, also before he greets a guest he grabs a toy straight away, but when we are out for a walk and people would come over and pet him he would mouth at their gloves/hands or coats, (only when they pet him) He doesnt hurt him they say but its not the point to me its really aggravating me as I feel like Ive tried everything and I ...