Observe the snake’s overall shape
Draw a long curved line for the body
Add a second line to define the body thickness
Sketch the head shape at one end
Add the neck transition between head and body
Draw the eyes as small shapes on the head
Add the nostrils near the snout
Sketch the mouth line
Draw the tongue if desired
Add body curves and bends
Mark the tail tapering to a point
Draw scales or simple pattern shapes
Refine the outline
Erase unnecessary guidelines
Add shading for depth
Darken the final lines