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A retainer for retaining an elongate flexible element on a support and comprising a perimeter wall defining an interior, with the perimeter wall having opposite ends each having end edges defining end openings. A capture slot extends between the opposite ends of the perimeter wall. The capture slot

A retainer for retaining an elongate flexible element on a support and comprising a perimeter wall defining an interior, with the perimeter wall having opposite ends each having end edges defining end openings. A capture slot extends between the opposite ends of the perimeter wall. The capture slot is defined by a pair of slot edges on the perimeter wall, and the slot edges extend from a first one of the end edges to a second one of the end edges. The capture slot extends along a convoluted path between the opposite ends that requires forming at least one bend in the flexible element to move the element through the capture slot and into the interior of the perimeter wall.

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1. A retainer for retaining an elongate flexible element on a support, the retainer comprising: a perimeter wall defining an interior, the perimeter wall having opposite ends each having end edges defining end openings;a capture slot extending between the opposite ends of the perimeter wall, the cap

1. A retainer for retaining an elongate flexible element on a support, the retainer comprising: a perimeter wall defining an interior, the perimeter wall having opposite ends each having end edges defining end openings;a capture slot extending between the opposite ends of the perimeter wall, the capture slot being defined by a pair of slot edges on the perimeter wall, the pair of slot edges extending from a first one of the end edges to a second one of the end edges, the capture slot extending along a convoluted path between the opposite ends;wherein the convoluted path of the capture slot requires forming at least one bend in the flexible element to move the element through the capture slot and into the interior of the perimeter wall;wherein the convoluted path of the capture slot forms a plurality of peaks and valleys, a peak and a valley being positioned in substantial opposition to each other across a gap between the slot edges, a first set of an opposed peak and valley being located toward a first one of the opposite ends and a second set of an opposed peak and valley being located toward a second one of the opposite ends; andwherein the convoluted path is configured such that the peaks of the first and second sets are relatively longer than at least one said peak located between the first and second sets, and the valleys of the first and second sets are relatively deeper than at least one said valley located between the first and second sets;wherein the perimeter wall is configured so that the elongate flexible element is able to relax to an unbent condition upon movement into the interior of the perimeter wall;wherein the convoluted path of the capture slot requires forming at least two bends in the flexible element to move the element through the capture slot and into the interior of the perimeter wall;wherein each of the first set and the second set includes a pair of peaks and a pair of valleys;wherein the first set and the second set are each located adjacent to the respective one of said end openings;a mounting element on the perimeter wall for facilitating mounting of the perimeter wall on the support;wherein the mounting element comprises a mounting tab having at least a portion of the mounting tab extending substantially tangential to a portion of the perimeter wall;wherein the mounting tab has another portion oriented substantially perpendicular to the at least one portion;wherein the perimeter wall has a substantially straight central axis between the opposite ends;wherein the perimeter wall has a substantially tubular configuration; andwherein the substantially tubular configuration is substantially cylindrical in shape.