Recently I had a friend give me a hickory-backed walnut bow to finish. Its mostly done and looks good. However we both were questioning the way the hickory was cut. The few bows I've added wood backing to have always been quarter sawn. This backing was plain or flat sawed at a local lumber yard and has quite a number of run ups, otherwise the glue job is good, the core and backing are smooth, and knot free, the bow bends easily and evenly at floor tillering. To be safe I put a lenin backing over the hickory backing. Is this a good insurance policy, or was it unnecessary, or is there any way of knowing? The bow will be 70" ttt and going for 45-50lbs at 27". It still needs to be dropped about 6-10 lbs and hasn't been strung. Thanks.