二人マフラー ダブルマフラー 2人マフラー 連マフラー あったかあったか
A scarf worn by at least two persons. Sharing a scarf usually means at least mutuality between the wearers.
On pixiv, the tag 二人マフラー (couple muffler) is used when exactly two people are sharing a scarf together. Otherwise, the tag 連マフラー (group muffler) is used on pixiv to denote images where a single scarf is used by 3 or more people.
あったかあったか is a reference to a particular scene in K-ON! Episode 7 "Christmas!" where Hirasawa Yui notices her sister Hirasawa Ui is missing her scarf and she decides to share half of her scarf with her.
The following tags are aliased to this tag: scarf_sharing (learn more).
This tag implicates scarf and shared_clothes (learn more).