Abstract: The method and device are for blow-molding containers. A blank is molded in a blowing mold by means of a blowing pressure after a thermal treatment. The blanks are positioned along a part of the transport path thereof by means of a support element (42) held by a rotating transfer wheel (41). The support element is movably mounted relative to the transfer wheel. The support element is positioned by means of a cam controller (50). The cam controller comprises a positionable cam segment (56) which preselectably places the support element in a working or a resting position. In the working position the support elements are brought into a transfer region and in the resting position are held away from said transfer region.