Fill a pot with enough cold water to cover the eggs and add salt. Bring to a rolling boil. Add the eggs and boil for 15 minutes. Scoop each egg out gently and transfer to a colander. Let the eggs cool completely.
Prepare red dye. Combine red food colouring, hot water and vinegar. Mix well.
Dip one egg into the red dye. Roll the egg around with chopsti