Clermont bring in Tongan bulk
The 27-year-old, nicknamed 'The Tongan Bear', currently plays for Super Rugby champions the Hurricanes and has the option of continuing his stay in France for a further two years.
He becomes the Top 14 leaders' third recruit for next season after Scottish scrumhalf Greig Laidlaw from Gloucester and French wing Remy Grosso from Castres.
Agence France-Presse