The static quadrupole moments (SQMs) of multiple chiral doublet bands are investigated. An interesting finding for the SQM is the occurrence of a kink at specific spin values for various $\gamma$ values. The kink represents the transition point from planar to chiral rotation. This observation highlights a robust feature that the presence of a kink in the SQM plot serves as compelling evidence for the initiation of aplanar rotation. Thus, the SQMs presents a novel criterion for effectively distinguishing different modes of nuclear chirality.

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• Collective levels
• High spin states
• Spectroscopic factors & electromagnetic moments
• 90 ≤ A ≤ 149
• Collective models