It is not suggested that you stay up for long periods of time to obtain these bags, cosplay halloween costumes but rather get black eyeliner and smudge it under your eyes to give the appearance of bags. As everyone knows, L has black bags under his eyes. Keep the parting of the hairline to the left and the bangs in the front over your eyes. With either option, the hair you need must be black, and slightly longer on the left than it is on the right.