Possible Clues:

• Device for relieving hard-to-reach itches
• Second scorer a reciprocal service provider
• Rod with rake for relieving irritation
• Investor receiving money, as one exchanging favours for mutual advantage
• Angel capturing devil — one getting rid of unseen irritation?
• Someone willing to trade favours for mutual advantage?
• Long-handled itch-remover
• Long-handled itch remover?
• Crackers — batch mishandled by one engaged in dubious exchanges
• Clawed instrument