AncientCraftwork
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Many of these things become self evident to slingers, like that a wide grip is less secure in general than a narrow grip. It's also very easy to test and perfectly logical to understand the reasoning behind it. I have read about these things since my entry on this site and I've never seen anyone disagree with it or make a case against it. It's simple, when the cords are seperated in the hand, the sling is already partially opened, the wider the seperation, the greater the opening, the greater movements on the projectile in the pouch that can cause slippages. On the contrary, with a pinch grip the sling is fully closed. The projectile doesn't move around in the pouch. It literally takes 5 seconds for a slinger to test. Place the loop on the pinkie for the widest seperation, and the projectile is least secure. We can naturally assume that as the seperation gets less the projectile gets seated better, and try it out and see it in front of our eyes. Isn't that obvious?
I talk about two types of oscillation. One that happens when either the cord is too floppy for the projectile, or the projectile too heavy for the sling, and one type of oscillation that happens when a wide grip is utilized, which worsens as the grip gets wider. The first type results in cord twist, which leads to erratic pouch angles, and thus erratic releases. The second type of oscillation comes as a result of trying to solve the former type, by widening the grip. This oscillation happens up and down, and causes the projectile to experience a rolling movement just slightly so in the pouch. I am not sure if this has an effect on release accuracy, but it can lead to preponed release. A solution for this is stiffening up the pouch or making the pouch more cupped, or swapping to a style with less rotations, but all these are not really good solutions and bring their own downsides in my opinion. The better way to solve the first type of oscillation instead of widening the grip is to get the appropiate type of cord stiffness for the projectile or the appropiate weight and size of stone for your sling, and what is appropiate? When it doesn't oscilliate / twist back in forth with a narrow grip too much. What is too much? That is personal. For me I don't like it more than 20 degrees.
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