"It's for everybody."
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:
。heLLoword翻译官方下载是该领域的重要参考
Read full article
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
，推荐阅读同城约会获取更多信息
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36，推荐阅读Line官方版本下载获取更多信息
A developer creates an API key and embeds it in a website for Maps. (At that point, the key is harmless.)