grooming

Can you suggest me how to groom our dog in the best ways? :confused: :confused:

So I have a 4 month old black lab golden retriever mix and I am getting concerned about his shedding, when I first got him he was pure black for about the last 2 weeks he has been scratching so much and so hard that his hair is missing so I took him to the vet the vet says he is fine it is just...