Snake Hook
Reference
Mode
Sculpt Mode
Tool
Toolbar ‣ Snake Hook
Hotkey
K
Pulls vertices along with the movement of the brush to create long, snake-like forms.
Magnify
The Snake Hook brush tends to loose volume along the stroke, with Magnify value greater than 0.5 it’s possible to sculpt shapes without loosing volume.
Rake
A factor to support moving the mesh with rotation following the cursor’s motion.