Reply To: Tips For Fasting on Yom Kippur Home › Forums › Yom Tov › Yom Kippur › Tips For Fasting on Yom Kippur › Reply To: Tips For Fasting on Yom Kippur September 17, 2010 2:15 pm at 2:15 pm #899749 cherrybimParticipant If your mouth is very dry, you can suck on a button.