tube made of weather resistant low temperature materials and coatings the grip 20 includes traction ridges 21 for an additional non slip feature when the grip 20 is handled by a user recessed areas 26 and 27 visible in fig3 and 4 may be provided for corporate labeling or cosmetic logos a fitting 10 is also shown in accordance with the inventive assembly the fitting 10 includes a first coupling end 15 and a second coupling end 12 between which is located an exterior seating surface 11 it is the exterior seating surface 11 of the fitting 10 and the interior seating surface 24 of the grip 20 which are intended to abut upon insertion of the fitting 10 into the first end 23 of the grip 20 such insertion is shown and described further below with regard to fig5 a through 5c with continued reference to fig1 and 2 the fitting 10 is seen to include a retaining shoulder 17 located between the first coupling end 12 and the second coupling end 15 the retaining shoulder 17 has two sides with two very distinct purposes one side of the retaining shoulder 17 includes a ramped surface 16 the ramped surface 16 is intended as the part of the fitting.