Support BladeForums! Paid memberships don't see ads! I have a couple of questions about Rob Criswell swords, for those who are in the know. 1. Did he differentially heat treat his A2 steel? I know A2 is an air hardening steel and it would be difficult to differentially heat treat, but some like Phil Hartsfield allegedly were able to do it. 2. Were some of his swords wrapped all the way to the end of the handle with the paracord? I have a Criswell wakizashi and it has the pommel end as a sandwich tang with two stainless pins and it's not wrapped all the way. If he did wrap some all the way, were those made earlier in his career?