Prepare apple, cabbage, onion, tortillas, crab sticks, sugar, mustard, and mayonnaise. Wash apple and cabbage thoroughly with vinegar.

Cut the onion into half-moon shapes and finely chop to a nail-sized texture.

Place the chopped onion into a large bowl.

Cut the cabbage leaves in half for easier slicing.

Julienne the cabbage into thin strips and add to the bowl with onion.

Slice the apple in half, remove the seeds, and julienne into thin strips.

Add the sliced apple to the bowl.

Shred the crab sticks by hand along their natural grain.

Combine onion, cabbage, apple, and crab sticks in a ratio of 1:2:2:2 in the bowl.

Add 2 tbsp sugar, 2 tbsp mustard, and 3 tbsp mayonnaise to the bowl.

Mix thoroughly by hand to create the tortilla filling.

Warm the tortillas on a dry pan over low heat.

Place parchment paper under the tortilla.

Add the desired amount of filling onto the tortilla.

Roll the tortilla tightly with parchment paper.