Follow this tread for tips to remove rust stains
gently soaking the fabric in a mixture of cool water and a little bit of lemon juice or vinegar might help lift the stain—just be careful and test a small area first so you don’t damage the fabric. And if all else fails, sometimes a little creative stitching or a clever pattern choice can hide those pesky spots. Just think of it as adding character and proof of your stitching adventures!