of these openings therefore may be approximately 11 4 inches the horizontal inner steps 31 are connected by vertical inner surfaces 33 of approximately 11 2 to 2 inches in the preferred embodiment the vertical inner surfaces 33 are partially cylindrical the central inner holder 30 is preferably formed of the same stiff material as the frame 20 the central inner holder 30 and the frame 20 may be a single unit or may be formed separately and secured together the frame 20 is attached to the rim of a golf bag 12 by means of a series of rods 50 and clamps 52 in the preferred embodiment the rods 50 are made of a sturdy material such as steel or aluminum the rods consist of two perpendicular portions separated by a 90 u00b0 bend in the rod this gives the rods an l shape formation the portions of the rod should be long enough to allow for both the varied width of the openings of a golf bag 12 and for the varying heights of golf club sets a set of essentially flattened hook shape clamps 52 are provided to secure the rod 50 to the rim of the golf club bag 12 fig3 and fig4 show these clamps 52 from several different angles the clamps are made of a sturdy high strength metallic material such as engineered plastic steel or aluminum as shown in fig4 the clamp can be considered as including three sections the long section 64 of the clamp has a bore or partial bore 51 through which the.