In the course "Realistic tattoo on a full arm in 3 days without damaging the skin" there is a trick that is very important so your tattoos look aesthetically good on any part of the body. This is the elements direction, which should always point towards the thumb or the big toe, depending on the location of the tattoo.
If the elements point towards the big toe, the tattoo will look good even when you are relaxed and people will be able to easily identify what you are tattooing. For example, if you tattoo a face on your arm and the eyes, nose and mouth point towards the thumb, people will be able to recognize it easily.
If the elements point the other way, the tattoo will look bad aesthetically and people may not understand what it is, especially if you are relaxed. Therefore, it is important to pay attention to the direction of the elements when designing and tattooing.
Remember that they should always point towards the thumb or big toe!