How to make Chicken Collagen Soup Base

Collagen Soup Ingredients :
~Chicken Bones from 2 Chickens
   ~ 1 kg Chicken Feet
~ A slice of Ginger
~ Some Spring Onion
~ 7L of Water
~ Salt to taste
very good version of How to make Chicken Collagen Soup Base

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

but i will also let you see mine version to