Netsuke were miniature sculptures invented in the 17th century as toggles for attaching small bags or boxes to a kimono, which traditionally have no pockets. There are two small holes in the back to attach the netsuke via a sash or thread.
They were often made of ivory or wood. This netsuke was carved in wood and dipicts a fierce looking warrior.
You can see more images and information about this object on [our website](http://heritage.southwark.gov.uk/objects/19740/netsuke?ctx=9cadd35d-ee54-4ebf-9f91-807a5a813406&idx=1).