noun
pilgrimage stickers; shrine pillar slips
Small paper slips or stickers bearing a pilgrim's name, traditionally pasted on shrine or temple pillars as a record of a visit. Now also collected as decorative items.
お寺の柱に千社札がたくさん貼ってある。
Many pilgrimage stickers are pasted on the temple pillars.
彼は千社札を集めるのが趣
His hobby is collecting pilgrimage stickers.