is breakable with help of a screwdriver or any other tool having edge and creates space void or groove to receive the central ridge portion of rail topper 108 this allows rail topper 108 to come in direct contact with elongated rail 102 and the center of gravity of the rail topper 108 is lowered this allows improved structural integrity and stability between elongated rail 102 and rail topper 108 further this allows self centering of rail topper 108 over elongated rail 102 furthermore this prevents movement for example rotational or side movement of rail topper 108 over elongated rail 102 fig5 and fig6 a illustrate bottom view and side view of attachment clip 110 for railing assembly respectively fig6 b illustrates a side view of another attachment clip 150 in which a central portion of the attachment clip 150 is not designed to be removable attachment clip 150 may be a single body such that attachment clip 150 includes a side surface 152 that extends from the left side of attachment clip 150 to the right side of attachment clip 150 fig7 illustrates a cross section view of rail topper 108 snap fitted over elongated rail 102 with help of attachment clip 110 as shown in the figure the central ridge portion of rail topper 108 stays intact with the left portion and the right portion of attachment clip 110 even after installation further top surface of attachment clip 110 is contoured to the bottom surface of.