Reddit reviews Swanson Tool Co MWOR61000 6 Inch Safety Marking Whiskers Orange Glo - 25 Pack
We found 2 Reddit comments about Swanson Tool Co MWOR61000 6 Inch Safety Marking Whiskers Orange Glo - 25 Pack. Here are the top ones, ranked by their Reddit score.
Industry standard safety and marking solutionVirtually indestructible—withstands lawn mowers, graders, and other heavy equipmentUniquely durable PVC fabric provides vibrant, long-lasting colorGreat for marking athletic fields, sports venues—any sports eventIdeal for marking property boundaries, trees, landscaping, and underground utilities
I think you're talking about Marking Whiskers. They are brightly-colored plastic brush-like things that make it easier to see survey markers.
They are called marking whiskers
https://www.amazon.com/Swanson-MWOR61000-Marking-Whiskers-25-Pack/dp/B0081ZRVPI