In Korea, caroling is almost as popular as it is in England.
When in doubt, opt for simple Christmas theme costumes for caroling.
Reindeer antlers, Santa hats and jingle bell elf hats and shoes make fabulous choices for caroling.
While there is no rule that street clothes can't be worn during caroling, that doesn't mean you shouldn't put some thought in your costumes before caroling at random doorsteps.
The joyous act of caroling is still welcomed by many.