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We have one of the McAlpine traps that you can lift out and clean from within the shower.
I think it is something like this:
https://mcalpineplumbing.com/traps/shower-traps-accessories/st90cp10c-90mm-shower-trap
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We just use one of those cheap punched metal plates that sit in the plughole.
You can pick them up and throw the hair into the bin pretty easily.
Not these but similar to these:
https://www.amazon.co.uk/GOTH-Perhk-Stainless-Strainer-Strainers/dp/B08GKHD2P6 -
Not preventitive but this stuff is good at clearing blockages https://www.diy.com/departments/hg-drain-unblocker-1l/161653_BQ.prd
Anyone got a good shower hair catcher.
My OH threw the old one away because it was rank, rather than cleaning it. Now the shower is blocked again and flooding the bathroom because of their hair.
Cheers
/rant