The complete banning of zinc die cast zip closures on anything intended to go close to salt water. Just a thought.
ah ... but then they would last and you wouldn't have to buy new bags.
But that said when I pay $1200 for a carbon boom is it too much to ask for the manufacturer to go out and buy quality stainless steel screws? Did they have to save 50 cents and buy that cheap garbage from some dodgy factory in China?