Possible Clues:

• Selling
• Flogging Parisian and complaining about it
• Adding a new end-piece to sale operation
• Commercial activity as result of complaining bitterly about feet regularly
• Referring to pursuit: selling to customers
• Selling (goods)
• Driving a hard bargain, perhaps in the middle of arrest, after following the suspect
• Slave's behind back in arena for flogging
• Commercial activity suffering after return cut by 50 per cent
• What the three blind mice perhaps are looking for in Grafton Street business