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Use a magnetic knife rack as an office supply holder. Use paper clips to hold receipts and notes.
Magnetic Knife Holder as office organizer
Using a magnetic knife holder for office supplies. Note the paperclips holding up the paper - great idea. This knife holder is 8.99 from Ikea: http://www.ikea.com/us/en/catalog/products/00136621/
Repurpose a Knife Holder to Organize Office Supplies and Notes