[Copypasta] Man-made sack containing balls

Long ago in the land of Minecraft I noticed that the ink sacs were spelled sac, instead of sack, I got confused and googled it, I discovered that a sac is just an organic sack, part of an animal or whatnot, and now multiple years later, I’m coming to the realisation ball sacks shouldn’t be called ball sacks, they should be called ball sacs, a ball sack would be a man-made sack containing balls