How to Twist/Control Clumps using foreach/clumpid?

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Hi !

I'm trying to twist clumps, I see a lot of braid tutorial but not for fur clumps.

I want achieve the results in this video at 17:32 (Hair FX in Houdini - GDC 2017 Talk) where Saber Jlassi does some really great twists on the clumps.
https://vimeo.com/sabervfx/hairfx#t=1054s [vimeo.com]
Desired result


Some insights and failed attempts I had:

Using foreach node was promissing and typing “clumpid” on Piece Attribute give control over the clumps, BUT I can't get the correct axis to twist/bend etc. I also found some advanced rotation wrangle that got me close but I have no idea how it works.



Here is the scene files:
Image Not Found


If someone wants to studies grooming for Houdini feel free to add me as friend!
Edited by neowuf - Dec. 4, 2018 17:04:00

Attachments:
Untitled-1.jpg (146.7 KB)
CurveRotate.jpg (1.2 MB)
ClumpStudies.hipnc (218.3 KB)

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