The point of betweenness can be understood as a liminal threshold where opposites converge, such as presence and absence, form and formlessness, or the sensible and the ineffable. Kant’s notion of the noumenon, the “thing-in-itself” that exists beyond the limits of human sensibility and understanding, positions betweenness as the threshold where the capacities of reason falter and one confronts reality as irreducibly beyond representation. The Japanese tea bowl embodies such betweenness. Sen no