Crispy Fried Chicken Drumsticks【Christmas recipe】

A crispy fried chicken recipe recommended for Christmas.
【ingredient】
10 chicken drumsticks
1/2 cups potato starch
1clove Grated ginger
1clove grated garlic
1 teaspoon salt（6g）
1 teaspoon Coriander powder（6g）
some white pepper
1 teaspoon soysauce　or Nampula
some Fried oil