Created with the motto "Anyone can become a fun and intellectual producer." It's an incredibly user-friendly size, making you want to gather information and study. The quintessential tool for information gathering and knowledge acquisition. It makes anyone want to study anywhere, anytime. Please look at the photos to the end. Regarding usage, it draws inspiration from ideas found in books like Tadao Umesao's "Kyoto-style Cards," Chizuko Ueno's "Information Producers," and Yasuo Noguchi's "How to Take and Organize Notes," among others. It's also applicable to various computer software. 【Specifications】 Size: 15 x 23 x 4 cm Color: Brown-toned premium genuine leather. The lining is made of two layers of premium split leather. Uses 13-hole metal fittings. Made in Japan. Medium size, 18mm inner diameter. Estimated to hold 100 sheets based on KOKUYO standards. 【Uses】 A tool for all intellectual production. For example, research, language learning, meeting minutes, field surveys, drafts, memos, diaries, daily measurement results, information organization, etc. You can utilize the ideas from Tadao Umesao's "Techniques of Intellectual Production" directly. 【Ease of Use of B6 Horizontal Loose-Leaf】 1. Can always be stored in loose-leaf binders of other sizes. 2. Can be organized in 2-hole, 2-ring B6 paper binders. 3. Can be used as information cards for intellectual production. 4. The size is perfect for summarizing one theme. 5. A full-fledged notebook that can be used even on a small desk. 6. Can also be used as a memo pad. 7. Systematization is possible. Note: There are many 2-hole binders available, including those from Maruman, LIHIT LAB., Collect, KOKUYO, and others. #Memo #Information #Organization #Database #WritingInstruments #FountainPen #Lamy #BallpointPen #BibleSize #Filofax #Lamy #LeatherProducts #Cowhide #Handwritten #Writing #Craft #Rhodia #ROHDIA #ParacaleNotebook #ParacaleNote #InformationCard #KOKUYO #IntellectualProduction #TechniquesOfIntellectualProduction #FieldNote #Outdoors #MiniLooseLeaf #MiniLeaf #Ashford #Maruman #RelationalDatabase #B6 #13Hole #Binder Note: Currently, we are creating and selling the original B6 horizontal 13-hole loose-leaf. You can purchase as many as you like from Mercari and Yahoo! Auctions. Paracale Series Made by Daichiro Uematsu Workshop