When I was reading up on this a while back, I read a suggestion for finding your sit bones. Put your hands on the chair palm up and then sit on them...and you'll feel them.

Also, when I was looking at the Specialized fit kit thingy at the LBS, it showed that you should sit on it with your knees at more than a 90 degree angle. As in, sit on something low so your knees are nearer your chest. (A curb or stairs would probably work.) This will give your sit bones more prominence, I think. I also saw it suggested that you can use a sheet of carbon paper face down on a sheet of white paper. The Play-Do idea was a good one, too.

Yes, I was wondering if my sit bones could be found the first time I saw that Specialized pad...but my bike seat finds them every time. I probably should think about a new saddle, too.

Karen