I also think you could experiment with a kind of expanding wedge so stuffing a cork or rubber thing in there and putting a screw through it with a nut and washer, as it expands it might press up against the stays. Sort of how a bar end fits in .. might not work tho
What about a couple of zip ties.
I also think you could experiment with a kind of expanding wedge so stuffing a cork or rubber thing in there and putting a screw through it with a nut and washer, as it expands it might press up against the stays. Sort of how a bar end fits in .. might not work tho