While a PDF is an excellent educational tool, it is not a replacement for a medical doctor. Here is a standard protocol found in reputable Yoruba herbal PDFs:

Keep the ancient wisdom of the elders alive for the next generation.

First, I need to define Iwulo and its significance in Ewe culture. The Ewe people are mainly in Ghana, with some in Togo and Benin. The Iwulo, or Ekoiwe, is a drum used in traditional music. Wait, is it a drum? Or maybe a different percussion instrument? Let me confirm that. Some sources say it's a hand drum, others mention it as a type of bell or rattle. Hmm, I need to be accurate here. Maybe the confusion comes from similar-sounding instruments. I should verify the correct name and description.