Naihanchi in shiko dachi

One of the mysteries of naihanchi dachi is its stance. I've previously written about this at some length and voiced my own conclusion that it is a variant on "mabu" - the horse stance. While many karateka would disagree with me, they are at least used to seeing naihanchi performed in a horse stance - ie. the "kiba dachi" (as seen in both Funakoshi's and Motobu's karate). What surprises many karateka is the discovery that some schools practise naihanchi in the "Naha te" version of horse stance: shiko dachi (known by some as "sumo stance") - where the toes point outwards rather than straight forward or slightly pigeon-toed. Nor is this a modern innovation: photographs of old-time karateka show both kiba and shiko variations. So what's going on here? I think the answer lies in understanding that each variation represents a different tradition within the shorin ryu school of karate: kiba dachi for Shuri te, sh...