The officer studied the road under his boots for several moments.
At the same time she felt the rock under her boots rumbling.
The very ground quaked under his boots and he could not see.
There is a soft, thick carpet under her new boots.
Snow crunched under his boots as he moved around the body.
"Here, under my boot," the older man said with a smile.
Grandpa dropped the match and ground it under his boot.
It was dark now and the snow squeaked under our boots.
The pavement of the yard was solid under my boots.
The ground had a sodden feel under your boots even when it was dry.