This is a slightly more advanced version of the very first technique taught in hapkido, the "knife hand to the elbow" straight armbar takedown that Hapkido calls "Kalloki" and Aikido calls "Ikkyo." The difference with this version offered for intermediate students is that after the technique begins in the familiar way, it suddenly goes backwards! This is part of the student's ability to "change up his pitches" with an expanding arsenal of techniques that keep his grappling opponents guessing. If