"Don't walk on the black bits." Bushmills Warnings Or Dangers Tip by leics
Bushmills Warnings and Dangers: 1 reviews and 1 photos
Of course, people will totally ignore the signs which warn you not to walk where the stones are black.
That's up to them, of course.
But the stones are black where they are most often covered by the tide. They will be more slippery when wet (weed, algae) and the coast is notorious for unexpected big waves.
Walk on the black bits if you like, as long as you realise it's your bones you're risking. No doubt the ambulance people are well-used to attending.....