Possible Clues:

• Sunshades
• 'The Mikado' props
• Sun-shades
• Summer umbrellas
• Umbrellas seen in Seurat's 'A Sunday Afternoon on the Island of La Grande Jatte'
• "The Mikado" props
• Shady types from MIT not into pastoralism
• Collapsible sunshades
• Behind soldier see heartless people in shades
• Sunblock precursors