Prawns walking ........., that brings back fond memories at Swartkops, I used to fish brickfields all the time whne I stayed in P.E,and in early Septmeber when that happens,I aboslutely smashed skippies,leeries and even a turtle but never got a grunter on artificial, hooked a few but never landed one, so definately not the easiest fish to get on artificial.
But I agree, when the prawns walk would be your best bet.
By the way, do the prawns still walk in Swartkops ?:fishn