This is an office classic. A memo holder for bills, receipts and of course memos. Monograph has made a stack of memo paper to go with it (402741516). But you can of course use the spike to gather your receipts or as an archive for personal notes. There are no limits to Ornary as it is called. If you are a fan of old-school office supplies, this memo holder is a fine addition to your desk. A streamlined, minimalist item that does what it promises to do.