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A cargo hold-down system including hooks for attaching lines of rope or fabric-jacketed elastomeric cord of varying diameters to a variety of polygonal and cylindrical surfaces of a vehicle-mounted luggage rack. The system incorporates four parts, the line, two axial length adjusting end hooks, and

A cargo hold-down system including hooks for attaching lines of rope or fabric-jacketed elastomeric cord of varying diameters to a variety of polygonal and cylindrical surfaces of a vehicle-mounted luggage rack. The system incorporates four parts, the line, two axial length adjusting end hooks, and an open-eyed hook perpendicularly attachable at any point along the line.

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1. In combination with a cargo tie-down assembly, a hook which comprises: a generally shallow, oval slab having substantially flat top and bottom surfaces, and comprising a bail and a shank respectively defined at opposite longitudinal ends of the slab by a lateral cut-out section; said slab hav

1. In combination with a cargo tie-down assembly, a hook which comprises: a generally shallow, oval slab having substantially flat top and bottom surfaces, and comprising a bail and a shank respectively defined at opposite longitudinal ends of the slab by a lateral cut-out section; said slab having first and second linear tubular passages bored through the shank, said passages having axes parallel to each other and to said top and bottom surfaces, and being separated by a thin partition; and said partition having a notch with lateral walls arcuately tapering down from a lateral edge of the slab toward the middle of the partition in a direction parallel to said axes whereby a rope inserted through said first passages is received around said notch and is then inserted through said second passages, and whereby said lateral walls of said notch are adapted to receive ropes of various diameters. 2. The combination of claim 1, wherein the bail of said hook defines a throat opening having an inboard surface, said inboard surface having a plurality of teeth. 3. The combination of claim 2, wherein said bail has a transverse bore hole, said hole is shaped and dimensioned to receive an index finger. 4. The combination of claim 3, wherein said partition has a hole connecting said first and second passages. 5. The combination of claim 3, wherein said cargo tie-down assembly further comprises a length of rope engaged at each end to one of said hooks and an auxiliary hook comprising: a bail defining a bail open throat; a shank connected to said bail having a means for transaxially engaging a length of rope; said means for transaxially engaging comprising a second hook having a second hook throat opening which faces the opposite direction of the bail open throat. 6. The combination of claim 3, wherein said cargo tie-down assembly further comprises a length of rope engaged at each end to one of said hooks and an auxiliary hook comprising: a bail defining an open throat; a shank connected to said bail having a means for transaxially engaging a length of rope; and said means for transaxially engaging comprises a hole, bored transaxially through the shank. 7. The combination of claim 2, said teeth having angles of 135 degrees, a lateral wall of each tooth being successively offset from a lateral wall of an adjacent tooth by 90 degrees.