I'd say it's a 4/5 but I'm giving 5 to negate some of the ridiculous 1 stars. No instructions? It's literally two Velcro straps. Haven't you ever used velcro? In any case. That's a great thing, but there are downsides too. The biggest plus is of course a comfortable mouse pad directly on the armrest. My desktop isn't great so it has worked wonders for my wrist. It has a "cheap" feel, but it also feels solid and reliable. Plus it's cheap. I had no problems with flexing or anything like that. The pad on the wrist is as comfortable as can be (although it could recede a bit). But not without flaws. And yes, I use that word on purpose. On the one hand, as MANY others have said, the velcro is VERY small. I don't know what they thought about it. I don't have a thick armrest and this thing barely sticks. I'm planning to get big but haven't done it yet. So it wobbles a bit, but I know it will stabilize as I get it more securely in place, and if my hand is resting on it, it still doesn't matter. I'm also tall and have fairly long arms so this seems too short to be perfect. The back is cut an inch too early (the front could be an inch longer/wider, but it works). However, my elbow seems to hang down when I don't raise my arm. It's not that bad, but other than that it works great. Just a minor design flaw that might not even be a problem for others. If you are looking for a similar product I recommend it. It's cheap and very easy. Emphasis on the essentials. But he does what he says. And be aware the velcro straps are REALLY tiny, you can just order some extenders or whatever at the same time when you get it.
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