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The " koteka " , " horim " , or " penis gourd " is a penis sheath traditionally worn by native male inhabitants of some ( mainly highland ) ethnic groups in New Guinea to cover their genitals .
 New Guinea
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 New Guinea