I don't know about Australia, but in Germany this knot is illegal to own and carry this knot if it is additionally weighted with, for example, metal balls.
Sources:
Wikipedia: https://de.wikipedia.org/w/index.php?title=Affenfaust&oldid=...
Primary source: https://www.bka.de/SharedDocs/Downloads/DE/UnsereAufgaben/Au...
I don't know about Australia, but in Germany this knot is illegal to own and carry this knot if it is additionally weighted with, for example, metal balls.
Sources:
Wikipedia: https://de.wikipedia.org/w/index.php?title=Affenfaust&oldid=...
Primary source: https://www.bka.de/SharedDocs/Downloads/DE/UnsereAufgaben/Au...