Nielsen catch retainer

The Nielsen catches on my (otherwise excellent) Thor light canister have come unclipped a couple of times over the years, which led to flooding the canister. To minimise the chance of this unfortunate event happening again I created these little retainers that clip onto the catches and stop the metal tab that locks the catch in place from moving.

I probably give my light canister more abuse than many people, so you may not need one of these, but the catches seem to be working for me so far.

The pictures show one of the catches both with and without the retainer in place (of course, you'll want to print two retainers, one for each catch on your canister).