Ika shepherd in the high Sierra carrying rifle on his shoulder takes lime from his small poporo gourd to place in the wad of coca leaves in his cheek.Lime is the catalyst which releases a very small amount of the cocaine alkaloid from coca leaves.Coca keeps away the pangs of hunger & cold Arhuaco Aruaco indigenous tribe American Colombian Colombia Hispanic Indegent Latin America Latino South America Arhuaco Aruaco indigenous tribe American Colombian Columbia Hispanic Indegent Latin America Latino South America Farming Agraian Agricultural Growing Husbandry Land Producing Raising Immature One individual Solo Lone Solitary 1 Agriculture Single unitary Young Unripe Unripened Green