Step Five: Clasp your left thumb in your right hand and move thumb in circular motion - then switch thumbs.
第五步：右手握住左手大拇指，右手大拇指在左手手背上打圈，换手再做一次。
For instance, teachers have been known to force children to switch from using their left hand to using their right hand for writing.
比如，老师就曾强迫儿童们在书写中从使用左手转为使用右手。
For instance, teachers have been known to force children to switch from using their left hand to using their right hand for writing.
比如，老师就曾强迫儿童们在书写中从使用左手转为使用右手。
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