How to Recover Rusty Things in 2 Minutes and Effort-free

The vinegar of apples. Soak the rusty object in apple cider vinegar and let it soak all night. The next day, rub with a toothbrush or an abrasive sponge and then clean well. In case rust remains, repeat the whole process.

Lemon. It has a slight abrasive action that helps eliminate rust. Pour some salt over the rusty area and rub with half lemon. Repeat the treatment if necessary, until completely remove the rust.