Paint metal hardware
If you're going to be doing a lot of spray painting and you'd like a sturdier spray booth, check out this one.
Fabric paint does have one drawback: It can make fabric feel rough. This usually isn't a big problem with smooth fabrics, but fabric with a nap, such as velour, may feel like sandpaper after painting. Test the back of the chair or the underside of a seat cushion before you paint the entire surface.