Related Clues:

• Usual procedure
• Copper raised vehicle certificates and tax
• The fashion trade
• It's regular trade practice
• Made to order
• Bespoke
• Local habit
• Traditional habit
• Habitual patronage
• Tradition, perhaps
• Traditional usage
• Tipping, e.g
• Client drops Cockney girl at convention
• Shopkeeper will thank you for it some day - it's the tradition
• Habitual use of focus to magnify part