for each fastening clip to secure the labeling member 110 to the coil 102 the length of flanges 122 124 may be provided such that the end to end length between flanges 122 and 124 is at least as great as a space between adjacent loops in coil 102 when in an unbiased position each fastening clip 114 may be formed either entirely or in part from any combination of plastic metal wood fiberglass carbon fiber ceramic composite material or other rigid material there may for example be three fastening clips 114 provided on spine 112 as shown in fig3 however the number of fastening clips may be less than or greater than three in alternative embodiments in a further embodiment there may be between two and ten fastening clips 114 though again the number of clips may be greater than ten in further embodiments the labeling member 110 provides at least two advantages first the exterior surface allows spiral bound articles to be identified when stacked shelved or otherwise positioned by marking the exterior surface with some identifier second the fastening clips 114 provide structural rigidity to the bound article for example when the bound article is supported vertically on a shelf or otherwise the labeling member 110 prevents the bound article from bending it is understood that the fastening clips shown in fig1 through 4 are one of several possible mechanisms for fastening the labeling member 110 to the coil 102 fig5 and 6 illustrate front and partial side views respectively of a further embodiment of a fastening mechanism for fastening labeling member 110 to a coil 102 in the embodiment of fig5 and 6 a spine 130 is provided having an exterior surface as explained above the spine 130 may be provided with holes along its.