Possible Clues:

• Trim financial institute has accommodation for one of those down at heel
• Ornament tied near the heel
• Leg bangle
• Leg adornment taken off round top of leg
• Sock variety
• Jewelry worn by Barbara Stanwyck in 'Double Indemnity'
• Scan buckle -- it half comes off footwear
• Sock that covers the joint it's named for
• Diminutive footwear
• Taken to dance holding large ornament