PROBLEM TO BE SOLVED: To simplify structure and operation by a tool wherein in at least one sheet of plate between two sheets of plates, a part of one and a part of another one between a cut line and a line connecting part each provided from a through-hole to the outer edge of this one sheet of plate can be opened and closed mutually at the cut line through the line connecting part. ;SOLUTION: Two sheets of plates 1 and 2 respectively provided with a through-hole at the center are made of e.g. a synthetic resin and have square plate-like shapes with the same size. As a fabric 3, a handkerchief with a size which sufficiently cover the plates 1 and 2 is used. A rod-like penetrating body 4 is a tool for letting a person see as if the fabric pass through the through- holes 10 and 20 of the plates 1 and 2 and a pencil 4, etc., is used for the penetrating body. In at least one sheet of the plate between two sheets of the plates 1 and 2, namely, one plate 1, a completely cut cut line 11 and a half cut line connecting part 12 are respectively provided from the through hole 10 to the outer edge of the plate 1. A part 13 of one and a part 14 of another one between the cut line 11 and the line connecting part 12 are constituted in such a way that they can be mutually opened and closed through the line connecting part 12.;COPYRIGHT: (C)1998,JPO
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