I would tend to agree with the majority here, keep them both if the money isnt an issue, send the KC one for honing, which will cost about the same as returning it and rebuying from elswhere.Two of the same razor will make it easier for learning as no matter which one you use the angles etc should be the same.If you decide that you really like using this particular razor you will be set for life, and if not they should be easy to resell later.