Korean Cucumber Kimchi (Oi-Sobaegi)

INGREDIENTS:

MAIN INGREDIENTS:
4 long cucumbers
2 tablespoons sea salt (or rock salt)
STUFFING INGREDIENTS:
A large bunch of garlic chives (buchu)
1/2 onion
1/2 red bell pepper
1 small carrot (or 1/2 large carrot)
2 large garlic cloves
A small piece of fresh ginger
SEASONING INGREDIENTS:
1/3 cup Korean red chili flakes (or a mix of paprika and cayenne pepper)
1 1/2 tablespoons of fish sauce
1 tablespoon of sugar