Noses: we’ve all got one and they all smell.
They’re also pretty difficult to draw and take quite a bit of practice to nail down. Granted noses may seem simple at first, given that they’re just a few basic shapes combined.
But to draw a convincing nose on command you’ll need to really study the fundamentals and put in the hours.
Have a look over this gallery for ideas of what to aim for in your own work. All of these drawings & studies focus on noses so they’re perfect to guide you in the right direction and to help you gauge the quality of your own studies.