Possible Clues:

• Brand name that gets blanket coverage
• Right to keep stocking new underwear
• Wrinkle on new material
• Holland, say, requiring trade name
• Underclothes
• As a rule it's over the North and comes from the North
• Nothing comes back to start this stuff
• Bedsheets
• At the end of the rule the north will just have to wear it
• Wale "White ___ (Coolin')"