Possible Clues:

• Just make the difference
• Be a deciding factor
• Sounds like something you'd hear in the betting shop weighing up the weights might make all the difference
• *Weigh, with "at"
• It will make a critical difference to point to article in front of justice
• Make the crucial difference
• Folded plastic sheet is to be the deciding factor
• One point he's caught in stories to make all the difference
• Be decisive and name Libra as the probable winner