Fill the balloon with water . This image illustrates why you don't completely fill the balloon you should always leave some room in the neck of the balloon, then as the form dries the pressure has somewhere to go and your clay wont split like that.
#Poppies oil and charcoal on canvas - 100 x 100 cm 2006 Danish artist Henrik Simonsen engages with a Western tradition of flower paintings and still life, approaching it in a contemporary way. His charcoal drawings, prints and paintings are steepe