What I found is that written evidence for knocking on wood (and for the history of gesture as a whole) is remarkably sparse. In the Penguin Guide to Superstitions, folklorist Steve Roud offers a skeptical take on the provenance of knocking on wood due to the near total absence of written records about it:
第六十三条 有下列行为之一的，处十日以上十五日以下拘留，可以并处五千元以下罚款；情节较轻的，处五日以上十日以下拘留，可以并处三千元以下罚款：，更多细节参见旺商聊官方下载
。关于这个话题，雷电模拟器官方版本下载提供了深入分析
Publication date: 28 February 2026。同城约会是该领域的重要参考
How to watch: The Secret Agent debuts on Hulu March 1.