Clothing

Crawling over the top of a moving train damages Pierce's clothing, forcing him to change clothes with Agar before he returns to his compartment.

Keys

There are four keys that Pierce must obtain in order to open the safes that contain the gold. Pierce arranges for Agar to make copies of each key for the robbery.

Wax

Agar uses wax to make molds of the keys so that he might make a copy of them.

Coffin

When the security changes on the train and passengers are not allowed in the van in which the gold is transported, Pierce arranges for Agar to be placed in a coffin so that the railway officials believe they are transporting a corps, not a living person.

Padlock

The train van is locked from the outside with a padlock. Pierce must crawl over the outside of the moving train in order to...