OT: what is this expression... to sound / feel "like a tool"?
What sort of tool would that be?
Am I missing a definition of the word 'tool' from my vocabulary?
Please help out an innocent, naive anglo-japanese lady here.

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)