Multiple gold medal winner helps Australia to begin their title defence on a positive note, while New Zealand, France, Ireland and the USA also register two wins on day one in Vancouver.
Caslick marks special occasion in style at HSBC Canada Sevens
Caslick marks special occasion in style at HSBC Canada Sevens
New Zealand win women's Olympic gold - World Rugby
Men's HSBC Canada Sevens begins with day of upsets
New Zealand win women's Olympic gold - World Rugby