Mathematical recreations and essays . Make a similar movement with the otherhand. Finally. Rub the palms of the hands together, separate the hands, andthe Door will appear. More briefly thus. Opening A. Index strings over wrists. Each thumbover one and takes up one. Each little-finger takes up one. Thumb loopsover groups of strings. Wrist loops over hands. Extend. Climbing a Tree. I select this as another easy examplestarting from Opening A. The tree—see figure vi—consists oftwo straight strings, which slope slightly towards one another:if the figure here delineated is turned through a right a
Mathematical recreations and essays . Make a similar movement with the otherhand. Finally. Rub the palms of the hands together, separate the hands, andthe Door will appear. More briefly thus. Opening A. Index strings over wrists. Each thumbover one and takes up one. Each little-finger takes up one. Thumb loopsover groups of strings. Wrist loops over hands. Extend. Climbing a Tree. I select this as another easy examplestarting from Opening A. The tree—see figure vi—consists oftwo straight strings, which slope slightly towards one another:if the figure here delineated is turned through a right angle. 360 STRING FIGURES [CH. XVIII the straight lines representing the tree will be upright, andthis is the way in which the figure is normally produced. Upthis tree, some loops, which represent a boy, are made to production is very simple, but it is interesting because thedesign, and nothing more, was obtained from the Blacks ofQueensland, and this is a conjectural restoration, by Pocock, ofthe way it was Figure vi. Boy Climbing a Tree. The Boy Climbing a Tree may be produced thus. First. Take up the stringin the form of Opening A. Second. Pass the little-fingers over four strings(namely, all the strings except the near or radial thumb string), then with thebacks of the little-fingers take up the near thumb string, and return. movement T on the little-finger loops. Fourth. Bend the right index overthat part of the right palmar string which lies along the base of the finger, andpress the tip of the finger on the palm. Make a similar movement with theleft index. Fifth. Holding the strings loosely, release the thumbs and puUthe index loops over the knuckles so that they hang on the cross Put the far (or ulnar) little-finger string under one foot or on anyfixed object. Then release the little-fingers, and pull steadily with the index-fingers on the strings they hold. This will cause the loop round the two straightstrings to ri
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