Aparentemente, a atriz que interpretou Lois Lane, Elizabeth Tulloch, fez aos produtores a mesma pergunta e recebeu uma resposta via Twitter.
A lot of people have been asking me about the hammer Lois carries so I texted Robert Rovner co-showrunner/EP of #Supergirl for clarification and he said, “It’s the solar hammer from the cosmic anvil.” Hope that clears up any confusion.
The Solar Hammer that is paired with the Cosmic Anvil - two items depicted in Superman's workshop in All-Star Superman. Reportedly he uses The Solar Hammer and Cosmic Anvil to forge tiny suns to feed the baby Sun-Eater he keeps as a pet.
