If I may be allowed to post a link...How bout trying this site so the Mrs. can learn how to do it?
I have read it and it seems a good thing to practice.. ;-)
I have never been able to squirt, despite reading the article and applying techniques, lol.... But it might be fun for you guys to experiment with?
http://www.babeland.com/sexinfo/howto/female-ejaculate
`T`