Make rice in rice cooker and choose sushi rice option.
Bring 2 cups of water and salt in a pot and bring to boil. Meanwhile peel, chop the ends of carrots. Simmer carrots in pot for about 4-5min. Take them out and let it cool. It should be firm to touch but easy for knife to cut.
Slice danmuji lenthwise, should have about 9-10 strips. set aside.
Cut avocado into slices, lengthwise. Set aside.
When rice is done, measure and transfer into a wide mixing bowl. You can use glass or plastic or bamboo bowl. Into this hot rice add salt, sugar and vinegar. In quick motion toss the rice gently with seasoning while blowing air to help mix and cool faster. Taste to check. set aside.
Set up a station with bamboo roller on bottom and seaweed sheet on top. Place the seaweed shiny side down, then spread rice gently covering about 3/4 of seaweed.
On top of rice, place a strip of danmuji, carrots and avocado slices. Then slowly roll kimbap using bamboo roller as a guide. Wet end with water and seal.
Brush rolls with sesame oil and sprinkle sesame seeds.
Slice evenly, about 1/2" in width. Serve warm or room temperature for best result.
Yields 7 kimbap rolls.