He walked into the kitchen with his boots on, making/leaving muddy 'footprints' on the floor.
The new model has a smaller 'footprint' than the older model.
The child left her tiny 'footprints' in the snow.
(..) ...I find it decidedly inconvenient that the gun was never found. Ladies and gentlemen, you've heard all the evidence. We have the accused at the scene of the crime. We have footprints. Bullets on the ground bearing his fingerprints. A broken bourbon bottle, likewise with fingerprints. (..)1994 The Shawshank Redemption