1. Enter the union’s Chat page.
  2. Tap the gift icon, then tap [Ask your union for Jackpot Stamp]. 
  3. Select the stamp you want and send a stamp request to union members. 
  4. The stamp request will appear on the Chat page and stay there for 24 hours. 
  5. A union member can request one stamp every 24 hours. 
  6. Members with duplicate stamps can send one to the member who requested it.