Can be kept in an air tight container up to 2 days in fridge.
Coating your knife in sesame oil will help prevent sticking or tearing when cutting.
Wipe your knife blade between cutting slices to help roll from squishing or tearing the roll.
Wet hands will prevent rice from sticking to hands.
If you do not have a Bamboo Rolling Mat, a thick hand towel just bigger than the seaweed sheet will work.