31415576[bindings by structure]PT2026-03-30 20:51:50BT31379055bindingsPTNT31441176chained bindingsPTNT31441181limp bindingsPTNT31441184hollow back bindingsPTNT31441196tight back bindingsPTNT31441207library bindingsPTNT31441214adhesive bindingsPTNT31441217case bindingsPTNT31441222mechanical bindingsPTNT31441225loose-leaf bindingsPTNT31441228compound bindingsPTNT31441231Coptic bindingsPTNT31441235asa-no-ha-tojiPTNT31441241fukuro-tojiPTNT31441243kikko-tojiPTNT31441252pamphlet bindingsPTNT31441258folded album bindingsPTNT31441261butterfly album bindingsPTNT31441264accordion album bindingsPTNT31486234stab-stitched bindingsPT