Related Clues:

• Perhaps underground storage of sticks of it
• Maybe stick, but may sound sort of underground, perhaps
• This might help one 8 down - or sound like it
• By the sound of it one of 24 down in a row
• The alternative sound for a sweep
• Sound of the alternative to a sweep
• This sounds like an alternative to a sweep
• A sweep by any other name
• Sweep this with alternative sound
• Sweep like this or sound of it
• For the boat or a sweep
• Or the sound of one of 4 across without 'er
• Sculling implement
• Thing in a boathouse
• Henley Regatta tool