Possible Clues:

• Footwear insert
• Arrange to see her in Oxford, perhaps
• Footwear storage unit
• Support inserted into footwear to preserve its shape
• Source of sandalwood?
• Oh, to be in France in a woman's embrace — it might bolster one's brogue
• *Stiletto holder
• At the end of the day, one might get into Oxford
• Wing tip insert
• One may support Oxford when it's not going anywhere