1/2" clamps that allow cable to slide 1 of 2

Pretty "slick" cable clamps I purchased from McMaster.
They are very light and allow the Series 6 cable to slide without binding yet is going to be able to maintain the desired height I want for the cable at that point!
Better alternative to the idea we came up with in the below album:
PUSH-PULL CABLE DETAIL: CABLE CLAMPS THAT ALLOW FORE-AFT MOVEMENT

Y13-12-15