My driver's side seat is deteriorating a bit on the upper bolster. I am constantly vacuuming up foam dust that is falling out the back of the seat. I remember someone saying that I could do a cheap repair by cutting the foam from a couple of nerf footballs and shaping it to replace the missing foam in the bolster. I have a couple of questions about this: Does it feel original? or does it feel lumpy or harder? And finally, what kind of glue would you use to get it to stay in place?