in case you have some relative or friends that have or had parkinson, you may see the generic problem that sometime they cannot control their hands.
their are some solutions for this. cheap one is the spoon that has the tied on the end to tied with hand. but this’s sometime not the good solution.
the better solution called stabilizing spoon or parkinson spoon. you can see why they call it like that here
there were a lot of brands in market for this and price were around 200 USD ( 6,000 THB or more if imported)
I saw this
you can list full of study and how to apply this here
just wondering anyone want to dive deep to invest and do this together with me? to make cheaper and better solutions for potential users here.