Makin's Extruder can be used for all sorts of techniques, whether it be hair for a doll or elements for a cane. Due to it's unique twist action, this extruder is probably the easiest to use of any on the market. This is the aluminium model which is NOT compatible with metal clays.
Instructions, from the Makins website...

This product was added to our catalog on Saturday 05 December, 2009.