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As with any mass produced product.
To increase productivity, you must first remove quality.

As long as it has collars on both sides. If its like my previous post, all you'll achieve is a bent pin. Somehow I know this [emoji56]

Not quite following you on this, but to increase friction, or tension, you must peen the pivot pin more. Also make sure your wedge is tight, it puts the bow in the scales that in turn keep positive...