The basic idea of this addition is readily seen in Illustration (). At a certain point in a routine— say, after the ball has apparently returned to the vase via the hemispherical gaff—the performer can reach over and apparently remove the ball to make it disappear or to place it in his pocket.
The ball in this case is only a half-shell and can be disengaged from its ring-housing, which is dark and unpainted in the drawings. Figure () offers another perspective of its construction. Naturally, the same half-shell can be introduced to the vase after the regular ball has disappeared, then the standard vanish of the hemispherical gaff is initiated, making a startling vanish.
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