So my dog loves to sail...

and his favorite place to stand lookout is on either bow but that plastic is a bit slippery. I want to add something to keep him onboard (He did go for a bit of a swim today, got to practice my man overboard drill).
I was thinking about spray on truck bed liner. Would that work? Any other ideas?

How about carpeting or astroturf? something he can get his claws into.

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Yet another Bob!
"Firefly" - 2012 Hobie Getaway with wings and spinnaker
"Sparky" - 1978 Sunfish (OK, it's not a Hobie, but it's a fun little craft)
Too many canoes and kayaks

I have thought about that but I would have to attach it somehow. I don't like the idea of drilling into or running screws into the plastic. A spray on or self adhesive mat eliminates the holes.
With spray on I can simply pick a complimentary color and if it looks good enough even do some accent work with the added non-slip bonus.
You can imagine how easily he can slide off when he moves forward just a foot more.
And yes, he has a life jacket now.

You might want to look at Hydro-Turf. It's not particularly cheap but it's great stuff. They have a lot of different colors and patterns in sheets. They will also apply a self stick backing so all you have to do is cut peal and stick. I've used it on my H14 side rails, my windsurfing boards and even a kayak trailer.

http://www.hydroturf.com

Where do you and your dog sail?

Bradenton/Sarasota area, that is the Skyway bridge in the background.
Talking to others I am also considering self adhesive bath tub non slip mats.
Will report back once I figure any of this out.

I recently stuck some of this to my Wave, to extend the seating area. I haven't had it long enough to judge durability, but it looks nice on the white hull.

https://www.amazon.com/gp/product/B00O4MBHXE