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)

In said stage form of Grimm-form transformation, aside from "turning their sclerae's color from white into black" along with their iris will glow at a certain level,

• 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)

In said stage form of Grimm-form transformation, aside from these above-mentioned appearance characteristics,

• 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] In said Grimm-form, aside from negating Grimm's sense and mask said users’ "human/soul presence", making the said user seem "invisible" and "undetectable" to the Grimm which able to reduce the Grimm's attraction and even further decrease the Grimm's aggression and hostility tension toward the said user and having enhanced said user’s basic physical properties (including strength and durability) that allow them to have similar equal footing with huntsmen and huntress,

• 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:

{Individual level}:

{Group level}:

[Societal Aspects]

[Cultural Aspects]