▁Yet ▁this ▁method ▁is ▁problem atic , ▁because ▁it ▁neglect s ▁all ▁the ▁other ▁parameters ▁at ▁work . ▁Ob lique ▁fol i ations , ▁whose ▁angle ▁with ▁the ▁fabric ▁attract or ▁exceed s ▁ 4 5 ° , ▁pose ▁a ▁different ▁problem ▁difficult ▁to ▁recon cile ▁with ▁the ▁available ▁theory . ▁One ▁possible ▁explanation ▁for ▁this ▁seem ingly ▁par ado x ical ▁arrangement ▁may ▁be ▁found ▁in ▁tr anst ensional ▁she ar ▁zones ▁trans pos ing ▁the ▁ordinary ▁ob lique ▁fol iation ▁into ▁ste eper ▁att itudes ▁by ▁simultane ous ▁extension . ▁ ▁Import ance ▁ ▁Ob lique ▁fol i ations / fab rics ▁find ▁their ▁most ▁important ▁use ▁as ▁she ar ▁sense ▁indic ators ▁in ▁my lon it ic ▁she ar ▁zones . ▁The ▁fol iation / gra in ▁el ong ation ▁always ▁le ans ▁into ▁the ▁direction ▁of ▁she ar , ▁i . e . ▁in ▁a ▁de xt ral ▁she ar ▁zone , ▁the ▁fol iation ▁le ans ▁to ▁the ▁right ▁and ▁therefore ▁di ps ▁to ▁the ▁left , ▁and ▁vice ▁vers a ▁for ▁sin est ral ▁she ar . ▁Com b ined ▁with ▁other ▁she ar ▁sense ▁indic ators ▁such ▁as ▁ δ - objects , ▁ob lique ▁fol i ations ▁establish ▁the ▁movement ▁sense ▁quite ▁clearly . ▁ ▁References ▁ ▁S ources ▁▁ ▁Pass ch ier ▁C W ▁& ▁Tr ouw ▁RA J . ▁( 1 9 9 6 ). ▁Micro te ct on ics . ▁Springer ▁Verlag . ▁▁ ▁Tr ouw ▁RA J , ▁Pass ch ier