Don't know about you, but it wasn't only my mind that went numb. Those metal seats should be banned under the Geneva convention.
LOL - I had a pad for mine. ;o)
Fortunately, our tractors had cushioned seats. There "were" some around the community that still had the metal ones, though. And I can see how those can literally be a "...pain in the....".
Driving a small 'dozer and clearing land was fun, though (except, of course, when you ran into a large wasp nest).