Mathematical recreations and essays . See-Saw. I described above a couple of See-Saw figuresmade from the European Opening. Such figures can be alsoproduced fi:om Opening A. A See-Saw arrangement can be made by two players, P and Q, thus(Haddon quoted by Jayne, p. xiii). First. The string is taken up by P,with his hands pointing upwards and palm facing palm, in the form ofOpening A. Second. Q hooks his right index from above in the straightthumb string and pulls it away from P. Third. Q, passing his hand from Pover the other strings, hooks his left index in the straight little-finger string,an
Mathematical recreations and essays . See-Saw. I described above a couple of See-Saw figuresmade from the European Opening. Such figures can be alsoproduced fi:om Opening A. A See-Saw arrangement can be made by two players, P and Q, thus(Haddon quoted by Jayne, p. xiii). First. The string is taken up by P,with his hands pointing upwards and palm facing palm, in the form ofOpening A. Second. Q hooks his right index from above in the straightthumb string and pulls it away from P. Third. Q, passing his hand from Pover the other strings, hooks his left index in the straight little-finger string,and pulls it towards P. Finally. P releases all but the index loops. Thesawing movement can then be made. Lightning. I proceed next to give two examples of figureswhich do not start from Opening A: both are easy to first instance I select, known as Lightning—see figure xiii—is derived from the North American Red Indians. The finalmovement should be performed sharply, so that the zig-zaglightning may flash out Figure xiii. Zig-zag Lightning. Lightning is produced thus (Jayne, pp. 216—219). First. Hold the stringin one place between the tips of the thumb and index-finger of the right handand in another place between the tips of the thumb and index-finger of the lefthand, so that a piece passes between the hands and the rest hangs down in aloop. With the piece between the hards make a ring, hanging down, by puttingthe right-band string away from you over the left-hand string. Next, insert B. R. 24 370 STRING FIGURES [CH. XVIII the index-fingers towards you in the ring and put the thumbs away from youinto the long hanging loop. Separate the hands, and turn the index-fingersupward and outward with the palms of the hands facing away from , turn the hands so that the palms are almost facing you, and the thumbsand the palms come toward you and point upward. You now have a longcrossed loop on each thumb and a single cross in the centre of the
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