However , their main source of income is rattan gathering or production of yantok which is used in nipa weaving or in the construction of nipa houses .
They now provide hired labor during rice planting and harvesting periods to lowland farmers .
Their main source of income is rattan gathering or production of yantok which is used in nipa weaving or in the construction of nipa houses .
They now provide hired labor during rice planting and harvesting periods to lowland farmers .