Brown/ Grey Astro turf (or what ever it's called today)
Brass Grommets & tools to install
Bungee cords with the orange balls already attached
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Cut Astro turf for step width (minus about 1" on each side) & long enough to "wrap around" front (nose) & rear of step (the part that wraps under the step is where you install the Brass Grommets (4 across the width).
NOTE: on my steps the Astro Turf was cut 19" wide x 16" long
Then just feed the pre-made bungee cords thru the Grommets across form each other and use the orange balls to pull the bungee cord loop over and hold in place. The Bungees / balls are on the bottom side.
very inexpensive and does a good job of knocking off the dirt. easy to remove.