Related Clues:

• Rough projection
• Climber's handhold
• Mantel, for example
• Pigeon's perch, at times
• Cliff
• Jagged cliff
• It runs around a building
• Climber's respite
• Mountaineer's obstacle
• Mountain climber's grip
• Climber's impediment
• Mountaineer's foothold
• Pigeon perch, sometimes
• Escarpment
• Mountaineer's grip