Sign Safety

I am not an engineer by any means and I invite someone to come up with a better idea besides cutting down the rebar or painting it orange. 
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​I can't afford large campaign signs so this doesn't impact me. But in my mind I see a T shaped rod with a corkscrew type column being a solution. These could be manufactured and marketed for this use, and look similar to this but fashioned from a single piece of steel and having a steel handle large enough to secure a base board. It could be required in the election signage rules for future elections impacting Red Deer.

​I just thought too, this corkscrew design would be easier to secure into harder soil than hammering a rebar in would, and the entire T-rod would need to be at least a couple feet long I guess. As I said not an engineer but at least I'm trying LOL