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Thanks for all the suggestions. I will be considering more complex compounds, and pieces with non-straight paths, in later articles. Since the last posting it has occurred to me that I may have called the FO Ibex under a false premiss: it may be the horns of the oryx rather than of the ibex that tend to fuse, the confusion arising from the common final X. So, would anyone object to changing the name Juncture to Ledge (isolated flat bit on a mountain most accessible to an ibex) - with Jump therefore becoming Lump and Jandyman Landyman? If not, I will include these in an update that I am planning once my article on 3-coordinate oblique leapers (already submitted) is posted.