inputs.text: magellan single groove adapter would not slide one - despite 2 people trying could not get single groove adapter slide 1 mm click would sit double prongs without affixed would fly little jostling possibly may faulty one got minus shipping not worth returning get another one thankfully knew someone could use double prongs sits vent nicely follow advice vent users flip adapters upside curved side clips sturdy particular model moves side side 1800 rotates not tilt vent clip angled may not able adjust see screen full 360 motion not really true would suggest buying model arkon need single prong full rotation one ended settling [ [ asinb001gqfmku arkon mm329st rehemovable swivel tightening air vent mount mio moov 300 series gps ] ]