- Brand: LOEWE - Design: Studio Ghibli Collaboration Design - Color: Blue系 (Blue) Studio Ghibli LOEWE knit cap in collaboration with Howl's Moving Castle. Rare item Calcifer Purchased at a pop-up store in Umeda. According to the store staff, only 20 were available in Japan, and it's no longer sold anywhere. Includes a shopping bag and a small book. Thank you for viewing.