Simply beautifull !!!
Thank you for reminding us...
Just to add other purposes to mudras..
In Bharatnatyam (classic indian dance) preformers "talk" to audience by hand signals or mudras and thus show what emotion or deed actor is presenting at that moment...
....Mudras are also used together with mantras(prayers) in Vedic fire sacrifices to call off planetary energiers/entities to earth...
Peace and love
KF