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If it's not too much effort, would you mind sharing a photo of the setup? I'm having a bit of trouble visualising it, but it sounds interesting.


In case OP doesn't respond, I imagined a bit of wood with "keyhole" shaped slits in it. Probably something like this: https://images-na.ssl-images-amazon.com/images/I/71K4bZIM-pL... or maybe this https://dclwoodworking.files.wordpress.com/2015/09/img_1312....


Thanks, that does look tidier.




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