JoyeTech eGrip CS head is different with other Joyetech atomizer heads, as it has an entirely different construction.
Its resistance is 1.5Ω, which can work under high voltage and wattage. (3.5v ~ 5.5v)
To change your eGrip Coil:
Unscrew the big screw at the bottom with a coin, and the atomizer head is located on the base of it.
Simply unscrew the Atomizer head and replace a new one.