Possible Clues:

• Decals
• Adhesive labels
• They keep watch, perhaps, aboard ship
• Local criticism starts to exercise research staff producing tacky signs indicating the babes are on Board!
• Risks, etc., travelling around units for sale indicating the various prices
• Places for prices
• Tricky risks, etc., displaying prices
• They will keep on watch in the ship
• Labels showing spades and hearts
• They're gummed