If someone could post a pic or two showing a "good" pick in full size sitting on graph paper, i will take a stab at making a couple and do a costing analysis.
I know the price of steel is obnoxious, as are most metals, but i can't help but think that a reasonable cost for a decent US made one is possible.
The graph paper lets me use one of my shop programs to generate a blueprint, which i can take into the machine shop and make prototypes for your perusal/gratification.
I have all types of steel available to me, ranging from mild steel to aerospace grade stainless.
I think something in a mild stainless might be very effective, given the acidity of manure and urine mixed dirt that packs into a hoof.