HBP strain relief [updated: v1.1]

I don't like the way my ToM's X axis handles the HBP cable: it keeps rubbing against the Y axis carriage, and the connector is constantly subject to different forces, which some people tell me can lead to HBP failure.

Since I anchor my HBP with just three bolts (that's all that's needed to align it... if you use more, you are probably twisting it), I used one of the corner holes in the X carriage platform to hold this beam, and a ziptie to hold the cable in place at the end of the beam.

Th