Possible Clues:

• Cross Swords by going around the border
• Barrier to what d'Artagnan liked to do
• Picket line?
• It's often about a yard
• Butt's barrier = Brent's_____
• Windbreak conceals marshy land in front of church
• Hot property dealer
• Property boundary, perhaps
• Sticks around the house?
• One will receive while keeping one out