In reply to Slarti B:
> (In reply to flaneur)
> [...]
> Interestingly, I think the Petzl Reverso is actually manufactured by DMM!
>
> I have had a Reverso 3 for couple of years and found the grooves wearing faster than my old DMM bug but still not too bad.
Apologies for the continued hijack.
Are you talking about the toothed grooves? I think those wearing down isn't really a biggy. The sharpening issue I think flaneur is talking about is from abseiling where the loaded rope coming out of the top of the device removes metal. Gradually, you end up with a sharp edge where the old unscathed metal ends and your worn bit starts. But is this sharp edge ever likely to be a problem? I imagine if you abseiled with the reverso so you're brake rope was running over it, it would.
Here's a photo, I've highlighted the sharp bit:
http://tinyurl.com/cr9h932