Common Comparisons:
* Velvet: This is a classic and elegant comparison.
* A lawnmower's haircut: This is a playful and humorous comparison.
* A baby's hair: This evokes a sense of softness and newness.
* A freshly cut field: This emphasizes the neatness and uniformity of the grass.
* A shag carpet: This is a bit more unusual but can be used to describe a thick, short grass.
Other Options:
* A stubble: This works well for very short grass.
* The fuzz on a peach: This adds a touch of texture to the description.
* A fingernail: This is precise but a bit literal.
* A pixie cut: This implies a short, choppy style.
Let me know the context of your simile, and I can give you a more specific suggestion!