“permanent slave collar” is pure elegance: a graceful Asian woman in a kimono that falls open like petals. Delicate fingers part soft folds in “permanent slave collar”, showing how wet silk has made her. The gentle rhythm she sets in “permanent slave collar” gradually becomes urgent—small breathy cries turning to desperate whimpers. When the final wave crashes in “permanent slave collar”, her composure shatters beautifully, leaving only trembling satisfaction.