Glue Gun Cont. : Completely fill the heat shrink with glue by placing the glue gun nozzle into the opening and fill the remaining space.

Glue Stick Cont. : Fill drop the small pieces of glue stick into the heat shrink. Firmly press the pieces in until they are tightly packed and the heat shrink is full.

Maintain even spacing between the walls of the heat shrink and the cord when applying glue.

Be careful with the glue gun, temperatures get hot enough to burn skin.