Ecuavoley is an Ecuadorian sport, which is derived from volleyball . It basically needs three people in order to play a match. This blog explains many rules, strategies and sayings.

https://www.youtube.com/watch?v=lRHwsmb0HGY

https://www.ecured.cu/Ecuav%C3%B3ley

Here is some other piece of information for you to fullfill your willings of knowledge about this sport.