Possible Clues:

• Pokes
• Newbie rollerblader's sore spots
• They make a point of jostling, often bent on being seen in pubs
• Some pipe fittings
• Bend them and have a few drinks
• They're bent in bars
• Jostles in a rude way
• Might be army things that come to blows at last
• Macaroni, perhaps
• Hinged arm joints