Possible Clues:

• Wiggle toes here -- it may help footwear problem
• Those troubled about getting first in English may be what's found in Oxford?
• Misshapen toes here, and this may be in Oxford
• Device to maintain shape of footwear
• Shape-maintaining insert
• See other arrangement made for stretcher in Oxford, say
• Device put into footwear to maintain shape
• So there's misshapen toe in brogue — try this?
• Loafer preserver
• Device to keep footwear in good shape