How to draw snail "ink Drawing"

Hello friends,

Today i am drawing Snail on a rock inside the river,i draw a snail inside the river , i draw it with black pen on paper
more than 100 lines together made my drawing .

lets start from here how to draw a snail.

Starting the drawing with the pencil outlines and then will color it with the dark pointer.

Second we will draw the outer lines with a dark pointer Which give it a realistic look.

From here we will start shading it to make the drawing looks like a real picture , and the drawing should be clean and soft.

original picture