The Fiji 7s team is focusing on tackles, discipline, patience and planned attacks during their training sessions.
The Alifereti Dere coached side, which leaves for Moscow next Monday also participates in yoga and judo sessions.
Fiji will participate in the 7s RWC which begins in Russia next week.
Fiji will face Tonga at 12.28am FJ Time next Saturday in their first pool match.
Fiji will meet Uruguay at 6.28pm next Saturday and the last pool match will be against Wales at 12.42am Sunday.