Possible Clues:

• Mad zealot holds sharp object
• Commercials, we hear, for a tool
• Trimming and smoothing aid
• Edge tool used to cut and shape wood
• Reportedly what summer does for a cutter
• This cutter removes? Quite the opposite, they say
• Woodworking aid
• Carpentry tool
• Chipper tots being heard
• By the sound of it, puts more on being so cutting