Related Clues:

• Sneakers' strings
• Tongue ties?
• They might be double-knotted
• What slippers generally lack
• Velcro alternative (... first 4)
• Strings on skates
• Tongue neighbors
• What loafers don't have
• Assails, with 'into'
• What loafers do without?
• Corset securers
• Feature of sneakers, typically, but not loafers