Swear Jar

Swear Jar is a jar of money. This jar is owned by Manny. If Greg or Rodrick cuss in front of Manny,the have to give money to him. This idea was thought of by Susan. This was done so that the boys don't use bad words.

Link

 * http://www.funbrain.com/journal/Journal.html?ThisJournalDay=159&ThisPage=2
 * http://www.funbrain.com/journal/Journal.html?ThisJournalDay=159&ThisPage=3

Appearances

 * Diary of a Wimpy Kid Online (first appearance)
 * Diary of a Wimpy Kid: The Last Straw (first book appearance)