I carved new wooden tally tags this month. Just swap the number and hang it back up, nothing's more convenient than that.

• Mo YeonjiCouldn't you carve names instead? There's room for it.
  Paeng NoseokCarve a name, and you have to throw the tag away every time someone leaves.
• Du ChilWorn is better.
  Paeng NoseokWhen it wears out, the rule is to replace it. You lot just keep forgetting that.