Boot
From Tardis Wiki, the free Doctor Who reference
The Tenth Doctor noted that a footprint did not look like a boot. (TV: Army of Ghosts)
A leather boot was found along with a single femur and an abandoned recording device containing a low-res vid-pict of a Magneton on Skaro. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)
