Related Clues:

• Hilly; rugged
• Unrefined blades in church
• Sandpaper descriptor
• Crude paddles in dugout canoe
• Tasteless direction taken on the radio
• Rough, unrefined
• Vulgar people who row in church
• Credit a horse from yard that's weather-beaten
• Like a rasp, as files go
• Sandpaperlike
• Like stereotypical cowboys
• Sandpaper category
• Harsh lectures to the audience
• Rocky extremities of crater ageing gradually
• Riddled with four-letter words