The 16-year old beat competitors twice her age a fortnight ago to win a gold medal at the World Cup in the Czech Republic.
Fox is ranked 145 and will be joining forces with Williams who has served as a caddy for several top pro golfers.
More than 300 athletes from 31 countries have descended on Southland for the championships which started today.
The beaches may soon be the first in the country to be completely off limits to drone users.
Strong spring growth and the quiet surrounds have seen the bunny population boom in the deep south.