picket fence, paling
['Kerry blue terrier', 'Shetland sheepdog, Shetland sheep dog, Shetland', 'Brabancon griffon', 'American Staffordshire terrier, Staffordshire terrier, American pit bull terrier, pit bull terrier', 'soft-coated wheaten terrier', 'Scottish deerhound, deerhound', 'hook, claw']