Cut, bent, slotted and embossed electric, electronic, electromagnetic, optical, fiber-optical, and optoelectronic contacts and connections, in particular made of cylindrical lamella baskets of sheet metal, for use in or as parts of couplings, contacts, connectors, interfaces, plugs, sockets, connector jacks, and plug-in connectors and other devices for electric, electronic, electromagnetic, optical, fiber-optical and optoelectronic connecting and networking; cut contact and connection element...