| http://www.w3.org/ns/prov#value | - The device of claim 1 wherein said C-shaped channel has one series of holes spaced periodically and evenly along the dock-facing inner edge to provide an opening for a fastening device such as a screw or bolt, and a second set of holes positioned on the outer edge of the channel exactly opposite said screw holes with an opening of sufficient diameter to allow insertion and operation of a fastening
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