Hazards for high heels

GRATES

Watch your step—these metal grids can trap slender soles on city sidewalks.

"Hazards for high heels" hints at something that can trip or snag stilettos—think of those metal grids on sidewalks or streets. The answer is grates, which are common in urban areas and notorious for catching thin heels. The clue plays on the literal danger they pose, making it a straightforward but clever reference to everyday obstacles.