Possible Clues:

• Skeleton parts
• Sounds like drone recalling feeling of anger in one's bones
• They connect scapulae to radii and ulnae
• Initially brought from river on island, bones
• Some arm bones
• The bones of fruit machine missing in fact
• They touch people's funny bones
• The bones of philosopher-king in Ireland
• Given a buzz, getting dander up, they're up in arms!