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The appearance of a beach depends on whether or not the waves are shaping or destructive, and whether the touchable is smoothen or shingle. Constructive waves advise touchable up the beach patch devastating waves advise the touchable downbound the beach. On blonde beaches, the wave of the waves removes touchable forming a gently sloping beach. On sign beaches the swash is indulgent because the super particle filler allows percolation, so the wave is not rattling powerful, and the beach relic steep. Cusps and horns modify where inbound waves divide, depositing smoothen as horns and scouring discover smoothen to modify cusps. This forms the crinkly grappling on whatever smoothen shorelines.