Ball, W. W. Rouse (Walter William Rouse), 1850-1925 · London, Macmillan · leaf 346
present the flap or perhaps the lacing covering the opening to a tent. This figure may be made thus: (1) Opening A. (2) Lift the loops off the index-fingers, pass them over their correspond- ing hands on to the wrists, thus making them dorsal strings. (3) Bend each thumb away from you over one…