Grooming Products > Hair Care ROSIN TOPLINE FIRM GRIP POWDER 4OZ & Price $19.53 Stock status: Out of Stock Stock status: In Stock Product Code: RJ445-465 Qty: Description Sizing Information Reviews ROSIN TOPLINE FIRM GRIP POWDER 4 OZ, for show dairy cattle. Helps provide a better adhesive grip for topline hair. Shake Rosin Top Line Powder on the topline before applying adhesives. Work in with hot blower, and brush to make every hair stand up firm. Follow with adhesive and form to desired appearance.