alanp wrote:

Cheap option :-

Use 2 cable ties on each clip.

Expensive option :-

2 x carabiners ( e.g. Clog HMS Screwgate £10 each )
Will work for a lifetime and can be left in your will.

/snip

You might want to look at "snap shackles" - they aren't any cheaper
(like anything to do with boats!) but come in smaller sizes. And they
won't care if you leave them out in the rain.

Andy