It literally acts like sandpaper. No big obvious dings from an individual drag, but over time it will leave you needing to do some repair.
Grass is messy and leaves stains, but I have dragged with impunity across it and not seen any loss of coat.
A wheeled kayak cart for one end of the boat is the usual solution, either one that can break down and fit inside or a larger one solely for car-launch point transport. Is there a reason you are not mentioning this?
PFD's (Life Jackets)
URCHIN Portable Anchor
Gedi Convertible Helmet
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