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As a violist who plays with a carbon fiber bow and a 4k viola. It's meh. I bought a cheap viola years ago and that rosin works like a charm. This one is really hard to use because its not roughed out and I don't have sand paper at home. So I tried different ways of making it rough and ended up chipping it. But when it finally worked, it was okay. Meh tone and I feel like its not sticky enough. It give you sound, just doesn't give u the rich tone and sound a different type of rosin would give. [Bought this cuzz I was outta rosin and I needed it for a online comp]. Buy it if u need it badly.
You have given us a broken rozin product and it’s price is very high in your this site amazon give the products on time and completely good product because there are summers this time and the Time of corona virus
The rosin itself is stellar. I'm a beginner, and it took 65 strokes to get a brand-new bow to sing. Once it sang, it just takes 3-4 passes once you start getting hissy.
The packaging on the other hand -- mostly brilliant, with one flaw -- the turning mechanism became very stiff with just a few uses. This forces me to use *pliers* to turn it. If I don't, the stiffness of the "dial" will break thumbnails. And since I"m also a guitar that relies on the thumbnail.... can't be having that. Next time, I'll just get a round cake in a cloth, this plastic thing is just gimmick.
EDIT: I have moved on to real rosin. Perhaps it's my playing environment - 75*F and 45% RH -- but this rosin just doesn't stick to my bow hair for long. I've moved on to Sartory rosin and will never look back. My 3-star rating remains but now also applies to the rosin itself. The "reduced-dust" Kaplan is a nice advert hook, but in reality the traditional French rosin is working better for me than Kaplan ever did.
Pros: 1. Good quality rosin, fine and sticky. 2. The case is well designed, squeeze to open and push-click to close. There is even a turning dial knob at the bottom.
Cons: 1. The rosin is much smaller than most of the round rosins. The so-called "cake" is almost like a beer bottle cap, with diameter a little over twice the width of a violin bow hair belt. Very easy to slide the bow off the rosin and damage the bow hair. 2. It still produces a certain amount of fine dust when playing. 3. Update: This rosin has a low melting point. Due to summer high temperature (max. about 90 degrees around NY/NJ area), this rosin became semi-melted. It is no longer in a straight cake shape. The top is collapsed a bit towards one side, like a birthday cake that has been pushed at the top edge from one side. It is in a funny shape now, though still usable.
Took it out of the cardboard box (which was VERY difficult to open without resorting to tearing it open), applied my viola bow, and almost instantly the rosin chipped near one end. Sound turned out okay (my only comparison was with the even cheaper rosin that came with my Cecilio viola) but this made me question the long-term usability of this product....
it comes with marks on the top keeps me wonder if it was a resell of a returned order. but no significant loss of weight/volume observed. I don't really mind lending my rosin to a friend to test it out. So for the rosin quality it's okay, for the seller: Brook Mays I'll mark it poor