Bullshit mate, I have a year old Dobermann called Zeus, he has natural ears and tail and never any problems, He can whack his tail all day long and it will never burst with blood, if you have something sharp then perhaps you need to put your doberman in a better enviroment and look after your dog...
Dobermann isn't fat at all, you are probably used to seeing 1-2 year olds which are totally different to dogs that are 4-8, Unlike other dogs where they take their shape quite rapidly.
Bullshit mate, I have a year old Dobermann called Zeus, he has natural ears and tail and never any problems, He can whack his tail all day long and it will never burst with blood, if you have something sharp then perhaps you need to put your doberman in a better enviroment and look after your dog...