back against. My thought was that I would try them both, and see which one worked best. And I was very pleased with both of them – which both arrived together – and I have a place for each of them, and they both work fine. And so, when this one came (being the least expensive of the three) I fully expected it to be virtually worthless, because in retrospect, a screenwire mesh backrest, as it were, seemed a little far out. But, surprise, surprise! It turns out to be extremely comfortable, and feels the most natural of the three, and is entirely unnoticeable, and just feels perfectly comfortable, and works fine. Unless it breaks down somewhere along the line – which I don’t foresee, inasmuch as it shouldn’t receive any abuse – in fact, I don’t even need to adjust it, once it’s in place, with the thin little stretch band holding it in place. But a sore back is very serious business, because you feel it all the time, and this little jewel is a small price to pay for the sweet relief it gives. ..More