I also used the non skid grit particles not sure if it was awl grip or another brand but I used a mixture of fine grit and course grit. I used double the recommended amount and I mixed it with the two part epoxy paint and then rolled it on. Did a great job but if you do it this way you need to stur the paint a lot or the grit will drift down to the bottom and each roller will have less grit than the when you started the paint job.
FellowShip
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My motto: Just for the Grins