Related Clues:

• Engage in, as a trade
• Birthday cake part
• Toilet paper unit
• Fold; thickness
• Liberal philosopher’s coat
• –
• Crust, mantle or core
• Toilet paper measure
• Practise (a trade)
• Cottonelle layer
• Layer of folded material
• Pursue, as a trade
• Birthday cake's horizontal part
• Coating, one in battery?
• What the P in TP doesn't stand for