hot chilli pepper sausage recipe (step by step)

ıngredients : (for 1kg) 700gr pork shoulder 300gr back fat 150gr pickled green chilli pepper 16gr kosher salt 2.5 gr insta cure 1 7gr black pepper 5gr garlic powder 1/4 onion 2 gr red pepper flakes 3 gr cayenne pepper 6 gr sweet paprica 2 gr mustard powder 1 gr marjoram 30 gr dry milk powder 120ml ice cold water note: 1)hang them in a fridge or dry cold place at least over night (pink salt) 2) grill them gently (ı mean really gently ...) becouse fresh sausages will burst easly when rushed 3) you can hang them 2 days in a fridge to get a better crust