crew cab rear canvas

HAPPY NEW YEAR FOLKS......well now the festives are over the wife is letting me play with me new toy, the 110 double cab....Treated meself before Xmas to a new set of hood sticks and Mohair hood...come to fix it on today and there are new press and twist thingys in the bag. What ever happened to the old rope, anyhow anyone any idea how these chaps work......ta ADA........

That's a nice picture of a SIII but it doesn't help much
How about a piccy of these twisty things so we can figure 'em out for you?