Watch the how to draw a horse video at the bottom of this page for the full step by step walkthrough of this drawing. Use the notes provided to go along with the video for further explanation. How to start your Horse Drawing To begin with you want to start to define the major areas of the head like the nose, mouth ears and eyes of the horse along with the general shape of the head. At this stage keep your lines loose and light so that if you make any mistakes they will be easy to erase later. .Next you.