I have all this iron lying around and I don't have a use for it. I don't want to refine it, because I might just need it. I have a couple ideas. Enable crafting shurikens out of them. I love spamming those everywhere when I get them. The only place I've seem them is on ice planets, and I also get snowflakes from there, which I also make shurikens out of. I think you should also be able to turn ice or snow into snowflakes, but that's neither here nor there. Add shotputs. They are thrown a short distance and follow an arc, and can roll down hills, damaging things based on how fast they roll.