Ohh! Look what you can do now! Embroider on T-shirts or baby onesies! Iron it on the backside of your fabric to avoid it from stretching while you stitch. Then you simply tear it away when finished embroidering. Thanks to Jenny Hart of Sublime Stitching you can now get it easily from her online shop for only $4.99. Link.
T-Shirt Stabilizer for Embroidery