I am looking at a way to dampen the vibration (if creality ever gets me the correct parts).
I saw these Hula adapters that can be printed or purchased.
It appears this first link has adapters that you can print, but if the K1 feet are the same I will look into that version instead.
HULA v1.0 for K2 Plus (Vibration Feet) by Element18592 | Download free STL model | Printables.com
HULA Innovative 3D Printer Anti-Vibration Damper Only $12.99 - Compatible Bambu Lab P1 and X1 Series + Creality K1 Series + Prusa Mk3 and MK4 – VOXELPLA