I saw one of these t-shirts in the wild today and realised that the person depicted is holding a large dagger. They could have shown the person holding a torch, a flag, or even a scroll with something like "bill of trans rights" on the ribbon, but no, Guiders Against Trans Exclusion Girl Guiding Actually Being Just For Girls went for a poignard nearly big enough to be a short sword.
TRAs cannot help but display violent imagery in plain sight.
It does not reassure me that GATE supporters are suitable to be looking after little girls.