Use a craft knife (I admit to sometimes using my rotary cutter too - gasp!) to take out seams. The trick is to keep your fingers out of the way!
Use a regular seam ripper to cut the first couple of threads. Then use the razor knife to cut through the rest. If your knife is sharp, you should barely have to touch the threads before they separate.
Don't use this technique on delicate fabrics, or if you absolutely can't afford to have the fabric damaged. Enough disclaimers yet?
The UP side is that this is a very fast way to take out seams. And in the years I've done it this way, I haven't gotten hurt, or damaged (much) fabric.
If you have a sewing tip that you would like to share, please link up your blog or website post below. I would love to see them.
Happy Sewing (ribbet)♥