Possible Clues:

• Sounds as if this gives more of an edge to it
• Implement commercial breaks on the radio?
• Notice last character had first electric tool
• Smoothing tool
• Lumberjack's tool
• Cutting implement
• Something with sharp edge carried by mad zealot
• Sounds as if this puts more on something that 31 across
• Plugs, so to speak, for a shaver
• Shipwright's tool