This one is titled descriptively, in much the same fashion as the classical paintings of old, such as 'Judith Beheading Holofernes'. I think it adds a certain gravitas.
My lovely friend Jen is a bit obsessed with knitting and asked me to paint Dobby! He is doing her current favourite knitting technique, 'magic loop', which is very appropriate and very confusing. If you are into knitting she runs an excellent knitting blog which you can see here: teaandknitting.blogspot.co.uk/