Now I have no idea why in the living name and god almighty that there is an open button on piglins. I was sorta confused at first, like if they are supposed to hold stuff for your character. I have tried to press the button several times, but nothing happens. It seems a little weird why they would put an open button on a piglin, only for it to do nothing at all. I have made a guess that it's just a coding bug of some sort, or just a glitch. Now I could be totally wrong about this, It's probably supposed to be there and here I am wasting a good old 5 minutes of my life typing this all for nothing. But even if that were the case, I am just happy that I am just attempting to help a good quality game get everything straightened out.