US Patent 6971527 Display system for retail packaging with included keyhole slot

A display system for displaying retail products which includes a display board and at least one package One of the display board and package includes a peg engageable in a keyhole-shaped slot in the other of the display board and package. The package is formed from a blank which includes a plurality of fold lines and tabs. The product is placed on the blank and the blank is folded around the product. Tabs are secured together to lock the package in place. The display board includes at least one hole near its uppermost edge to hang it from a display in a retail environment.