In my role as Publications Officer for the 2mm Scale Association, I'm currently working on a revamp of the "couplings" chapter of the erstwhile 2mm Handbook. I was intrigued by the reference to Lin-Cup couplings, which I hadn't heard of or seen. So I went back to the June 1976 issue of the 2mm Magazine to read Lindsey Little's original article. His goal of "something inconspicuous, not too unrailwaylike, close coupling, sturdy and capable of being made by a squint-eyed tyro with ten thumbs" soun