When the Index finger of the Suchi Mudra is bent, we get the Tamrachuda hasta. Also while the doing the Mukula hasta, if the Index finger is held like a question mark, we get the Tamrachuda. Tamrachua means a Cock or a Cocks head.
Lets see the Viniyoga shloka
Kukkutadau bake kake ushtre vatse cha lekhane
yujyate tamrachudakhyaha karo bharatavedibhihi
This shloka says that tamrachuda can denote :
- A Rooster, Cock
- A birds head
- A Heron, Crane
- A Crow
- A Camel
- A Calf
- A pen that is used to engrave.