Possible Clues:

• The type of sound you might get from a little boxing
• Letter-box? I won't go into that
• Not being a capital matter, it seems it's not of a type to be heard in the High Court
• Some letters perhaps from minor lawsuit
• A company standing to cut waste, lacking capital
• Unlike sentence, initially inappropriate in High Court?
• There's little of 21 down in that box
• That's never a type of capital container down there
• As junior, lawsuit in which I may never appear
• That's not a type of capital