The following mainly comes from initial traditional tribes in general, not including tribes who have mixed origins and other case-by-case variable exceptions.

As one of the nine foundational tribes, the [Tree swinging Fabric-strip Demon Tribe] were initially as several of separated tribes who had associated customs on arboreal-lifestyle. After receiving their own Grimm-form,

[Grimm-form appearance]

(Initial stage form)

• a single black horizontal 'X' mark covering across the eyes

• three black straight strips growing under each eye and extend to jaw outline in vertical-symmetrical patterns on face

(Terminal stage form)

• a black straight vertical fish-bones-shape tattoo on back

• black straight linear stripes extending through the limbs (usually one stripe on lower part while other one stripe on upper part)

[Grimm-form ability]

• producing the black rubber-texture rope-shape fabric substance made of Grimm-like matter from straight linear stripes on the body (the end of rope-shape fabric can be transformed into either solid pointy cone-head (for piercing through harden surface) or loose sticky end formed of multiple branched tentacles (for sticking on any object or opponent)

Combat Application:

[Societal Aspects]

Cultural Aspects