XM-1 braking rigging question

Clark Propst

Bill just finished a M&StL XM-1 box car with a third brake lever. I'm building a Sunshine RI XM-1 now. Looking at the photo provided there appeared to be extra stuff under the car. So I added the extra lever following Bill's model photo. Then it dawned on me the proto photo had the K brake setup. I got out RP Cyc 18, it has builders photos of two cars, one is the same as in the instructions. The other in of a car from the last 200 built in the order. It appears to have 'normal' rigging.

Can someone help with my dilemma Please?
CW Propst
PS. Doesn't matter if I screwed up, I have the M&StL versions to build I can just swap underframes

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