I found an interview with David Wallin, the author of Attachment in Psychotherapy that I thought was an excellent description of how you bring an understanding of attachment theory to clinical work. I was going to pull some quotes but it was all so good, it was too hard to pick. You can find the article here:
David Wallin on Attachment and PsychotherapyIt's a bit on the long side, but well worth the time to read.
AG