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Sounds perfect :) Will try and track some down in town or get up to a B&Q or similar.
Will need to co-ordinate keeping the cats in, do either of you know when it would be safe to let them back out?
Might warn the neighbours too as one of them especially lets their dog wander about and it tends to come on my front lawn. We get a lot of strays/escapees round here too, possible from living by a large park, would be harmful to them as well? I know dogs don't eat grass like cats do but I've seen a few scuffing up grass before now, don't dare try and get them away as you never know with stray ones if they might go for you so tend to get the cats in safe then me and keep my distance.
If it's harmful I can do it during the day when I can keep an eye. Also have a "spare cat" who comes in sometimes so can keep him away too.