Related Clues:

• Elusive, in a way
• Like a shoe, perhaps, that's unsafe to walk on
• Czech beer served up for a Yankee -- ice-covered?
• With 68-Across, precarious situations, as suggested by the circled letters
• Evasive; hard to hold
• Footwear next to yard not to be trusted
• Too wiggly to hold
• Wriggly, as a fish
• Cathedral on verge of collapse? That’s fishy
• Unstable, like some footwear?
• Not to be trusted as footwear?
• Too wriggly to get hold of
• Wet and squirmy