Main advantages: low weight small size Unsharp locking cam (less wear and tear of the sheath?) Good

Before this season winter course I was delighted with news from Climbing Technology - ascender Roll N Lock. At first glance this looks mrňousek compared to other blokantům the same category as a flyweight. Indeed, weight 82 grams makes it the lightest ascender that I had ever in his hand. Excluding the 38 gram Tibloc, which, however, unlike led lights Roll N Lock, does not have a roller! Further, for example, from Mini Traction Petzl it weighs more than twice and the like is also compared, as the dimensions involved. So here collects Roll N Lock first points in addition to competition.
My first on Roll N Lock adopted led lights was processing the blocking cam. Instead of sharp teeth, as we used to, for example, the traction at Petzl, used to block the rope Roll N Lock "blunter" transverse led lights waves. The subjective feeling led lights is saying "less possibility of damage to the braid rope." Now if it also works well as it looks? It works! And even better.
Roll N Lock I tested mainly on glacial course and so I wonder how it will behave in the rescue of crack climbing partner. Using ascenders directly provides the technique Flaschenzug when climbing partner are saving on the same rope, which hangs in the gap. The technique of free pulley is most ascenders unusable, and that, in my opinion, for one simple reason. Cold and stressed out man hanging in the gap is like that at all clicks to seat properly carbine, let alone thought about how to click the ascender.
Problems have been reported with namrzlými or ropes. Rather, my initial concerns, such as with the "little ones" will be handled with gloves failed to materialize. Control locking cam is indeed very small, led lights but I soon discovered that the foundation ropes to aids is not at all necessary to control it. Simply lift off the top cover and ascender cam rotates together with him. You create a rope Roll N Lock it blocks.
Then I Roll N Lock tested the technique ascent led lights - Münchhausentechnik. This is a method that facilitates overcoming the edges, for example vylézání of cracks. Ascender back to work reliably, but mainly I came across another big plus. Roll N Lock is going after latching cam into a blocking position along the rope to move in both directions by simply lifting the cam. However, once fully loaded hold reliably.
Furthermore, it is referred to the possibility of using the flat coils. I see here, as well as the manufacturer, the only application for rapid contraction odsedávací loop on the belay station. How is this useful but in practice I do not know. Personally, I tend to use Daisy Chain or dynamic loop Beal with two different long end. However, this is a good trait Roll N Lock taken into account, led lights you do not know when it will come in handy.
When should I Roll N Lock evaluate collectively, so I am most excited miniature size, light weight and yet perfect functionality. Working perfectly led lights on all types of ropes (see below), and those icy. Despite initial fears were well handled with gloves and avoid the congestion or snow. I think it'll glacier tours take with you always, just because "Netah" cushion down like other ascenders from the competition.
Main advantages: low weight small size Unsharp locking cam (less wear and tear of the sheath?) Good handling with gloves without requiring a separate release cam for setting up the rope works well on icy ropes
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