Why does my therapist watch my hands?

Hands. Your client’s hands can give you clues about how they’re reacting to what comes up in the session. Trembling fingers can indicate anxiety or fear. Fists that clench or clutch the edges of clothing or furniture can suggest anger. 01-Nov-2019

https://www.goodtherapy.org/for-professionals/marketing/customer-experience/article/what-is-your-clients-body-language-telling-you#:~:text=Hands,or%20furniture%20can%20suggest%20anger.