Possible Clues:

• Reel
• Walk unsteadily as if about to collapse
• Stagger a scrap merchant
• Go this way and that
• 'An adder, having no feet, cannot walk even as badly as this (6)'
• The adder, having no feet, can hardly walk
• Rag-and-bone man - summer
• The sort of adder that may fall for this
• Summer's rock'n'roll
• After short time see animal move unsteadily