Related Clues:

• Sword master's case
• Second piece of open country gets protection
• Lead in shoplifting case
• Cover fire in silence
• Cover point with erstwhile Prime Minister
• Cover point with former PM
• Place to store a weapon
• One holds a sword
• Summer weather coming in, button up dress
• Kind of dress that is fairly straight but fitted around the waist and hips
• Saya, for a katana
• Cover small moor
• Protection from sun on wild ground
• Scabbard?
• Shut up keeping warm inside cover