Possible Clues:

• Border agent consequently impounds rocket
• Take to task, looking embarrassed about prudish article
• Left holding stiffly formal article, getting severe reproof
• Carpet material by edge and at the back
• Agent + edge + also
• One selling space station returned with rocket
• Admonish traveller also crossing border
• Telling-off
• Severe telling-off
• Carpet material delivered — there's piece for fitting inside