ONE WAY!
A inner cover with a bee-escape device is intercalated at the harvest time between the body and the super. The bees can get into the body, but not vice versa. The bee-escape inner cover is set up preferably in the evening posing a new empty increase on the body and then the bee-escape cover. next day harvest. We must ensure that the supers are well sealed so that the robber bees can not penetrate from outside.
A bee-escape can also be used to remove bees from a local: honey house, vehicles