Rowing Cox Box Charger plug puller

If you've been rowing in crews for a while you'll probably know how much hassle can be had with the cox-box coxing amplifiers getting damaged.

Upon finding both charger plugs of my clubs 2 coxboxes with dangerously damaged wires from people pulling on the cable instead of the rubber plug I thought there must be a way to prevent that from happening. I took it upon myself to design my first ever 3d model, which is why this thing has taken shape in tinkercad.

As it stands it is a 3 piece design, designed that way so all parts can be printed in an optimal orientation for strength (I only use PLA). The strain relief base and the pulling tab snap together, I had to do minor trimming to get things to fit, YMMV.
The plug is then inserted in the strain relief and the cap is slid in place (from the top), it will snap into place.

If all is well it should do a good job holding the plug, keep in mind the rubber expands and contracts with temperature, I found the tightness of the hold var