back trailer in fully, pull out till fenders are at water level, wife drives on-as long as the nose goes between the guides were good, go to nutral, let boat settle, she then will give a little power forwards , hook bow strap and winch up with a little power assist and pull out, usually about a minute or so,

as long as the nose gets between the guides it no big deal, as after first contact ou can idle forward and steer and get it centered