2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66592A skew brane is an immersed codimension 2 submanifold in affine space, free from pairs of parallel tangent spaces. Using Morse theory, we prove that a skew brane cannot lie on a quadratic hypersurface. We also prove that there are no skew loops on embedded ruled developable discs in 3-space. The paper extends recent work by M. Ghomi and B. Solomon.13 pages, 2 figuresDifferential Geometry53A05, 53C50, 58E05text