1) Fictional dimension 
Hammerspace (also known as malletspace) is a fan-envisioned extradimensional, instantly accessible storage area in fiction, which is used to explain how animated, comic, and game characters can produce objects out of thin air. This phenomenon has existed in animation for years, dating back to early Warner Bros.` Looney Tunes/Merrie Melodies anima....
when an angry woman summons a mallet from nowhere and strikes someone with it