x2 on the sillosocks. We use about 4 dozen and a crane or goose call in a winter wheat. Wind at our back, decoys behind us starting about 10 yards because once they are over the top of the decoys they figure it out. We conceal ourselves real well on the fence line or in layout blinds and shoot them as they fly over and they usually are cupped up coming into decoys.
(Cranes)------>>> <<<------(Wind)
^^^^^^^^Hunters^^^^^^^^ DDDDDDDDDDDDecoysDDDDDDDDDDD
How do you talk the cranes into flying into the wind?
Mine are usually like this:
(Wind)------------>>>> (Cranes)------>>> (More Wind)-------->
Shot Range Limit--------------------------------------------------------------------------
^^^^^^^^Hunters^^^^^^^^ DDDDDDDDDDDDecoysDDDDDDDDDDD