Wiktionary
sand down
vb. (context transitive English) To treat or polish with sandpaper.
Usage examples of "sand down".
Besides, for all I know, you've already got a career in politics and my mama didn't raise any kids who like to pound sand down rat-holes.
Sand in the couch, sand on the kitchen table, sand down the foot of your bed?
He spat in his palms and then spun the rod back and forth rapidly between his hands, stopping occasionally to drop a few more grains of sand down the hole and wipe a little spittle into the opening.
There, she thought when the tide swept back and sucked the sand down under her feet.
The wind roared on, carrying wild, twisting coils of sand down into Hollywood.
As Paul directed the foam barrier, Jessica dug with her hands, hurling the sand down the slope.