When you need to wash greasy parts, or remove gasoline from the mower, try not to leave your hands in the gas for any length of time (or wear chemical gloves, I suppose). I've washed my poor paws now a couple of times, and applied cream, but they still stink of petrol, and STING. Also feel tight.
Probably has something to do with all the scratches, too...
Probably has something to do with all the scratches, too...