Sketch it out. Start with the darkest areas. Fill in the medium areas, also you should try shading in sections. Add finishing touches and you're done! I know it's not perfect but it was a quick tutorial!
If you want to learn to draw a simple and easy anchor then you need to take a look at this drawing tutorial. It teaches you a step-by-step process to draw a simple anchor quickly. Find out more.< I need to paint an anchor