Possible Clues:

• '___ in gloves catches no mice'
• ''. . . to skin __''
• "Never try to outstubborn __": Heinlein
• One-__: ball game
• "The last thing I would accuse __ of is innocence": Paley
• ''... than one way to skin ___''
• ''There's more than one way to skin ___!''
• Room to swing ___
• Room to swing --
• Lead ___-and-dog life (constantly quarrel)