the.com/scratching
The hand obeying the itch your brain swears it can resist.
means Dragging fingernails or claws across a surface, usually to relieve an itch or leave a mark.
from From Middle English scratchen, a blend of the older cracchen and scratten, both meaning to claw — onomatopoeia doing honest work.
Itch loopScratching feels good but inflames skin, demanding more scratching.
DJ verbHip-hop turntablists made scratching a musical instrument in the 1970s.
Brain rewardIt triggers pleasure circuits, which is why stopping feels impossible.