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 thoughted by Susan. This let's the boys not to cuss.

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)