Possible Clues:

• Not even folk get a piece of this over a little tea
• Not even people can get a little tea at one of the ends
• Peculiar people have a scrap before tea
• Just a bit 15 across for folk to come to tea
• Captain literally raised boxing dukes before onset of the scrap
• Leftover rum needed by chaps getting tense
• Snippet
• Occasional books inspiring me a bit
• Strange soldiers with time for scrap
• End of rum — crew ultimately upset