Top-Loc Knot Sealer – 4 fl oz, Spray
What is Top-Loc Knot Sealer?. Why Use Top-Loc Knot Sealer?. How to Use Top-Loc Knot Sealer. By sealing the knots with Top Loc Knot Sealer, you can keep the knots tight and strong, prevent shedding and loosening, and allow for the unit to be worn for much longer.