Managing stiff PC on lightweight component


I am trying to use a stiff PC on my lightweight Pioneer DV-47Ai transport which sits on top my DAC which in turn sits on roller bearings which in turn sits on top of of a Machina Dynamica Promethean spring platform. Any thoughts on how I can make this work are appreciated. I like the performance of the stiff cable as compared to the limp cable it replaced. The stiff cable can be bent to shape.
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I've used some big PC's before that fell out of the IEC jack, so I just tied some old shoelaces to the back of the rack using a sliding knot & adjust the tension as to balance the unit (if applicable) on an isolation device.

BTW, I found the smaller round style of lace works best.
I should have mentioned that I am not using a rack. The Promethean platforms just sit on the floor and are about eight inches in height. I do have the PC on some ceramic cable lifters and this helps some. I don't have digital picture capability at this time.
Use a more compliant power cord.

Been there, done that, didn't like the results as much.
Raise the cable off the floor until it's equal to the IEC jack. Since you've already raised them some, just stick something else under the lifters. You can also make a simple lift with strings & sticks in a variety of style, the easiest prob. being the Teepee style.

Also, wind some black electrical tape around the IEC connector until it fits snug into the jack.