Racing nerves can easily disrupt focus, but simple breathing can help—try a...

https://felixsnewword.hexaforgey.com/posts/why-does-my-fine-motor-control-get-worse-when-i-m-stressed

Racing nerves can easily disrupt focus, but simple breathing can help—try a 4-count breath in, then slowly exhale for 6 to 8 counts to calm your mind