Apply lubricant. Use mineral oil on the rust to soften the corrosion. Apply the mineral oil with a rag or paper towel. Wait 10 to 20 minutes. Scrub the rust stains with steel wool or a scrubbing pad. Wipe the hedge clippers clean with a cloth or paper towel.
Combine in a bowl 2 parts table salt and 1 part lime or lemon juice. Create a thick paste by stirring. Apply the paste to the rust stains on the hedge clipper with a paper towel. Wait at least 2 hours for the paste to work on the rust.
Scrub the paste with a scrubbing pad or steel wool pad. Use a damp paper towel to clean away the paste and rust. Dry with a paper towel.