Previous thread may be of interest.
A jammed canopy and aircraft on fire. [Archive] - PPRuNe Forums
United States Navy aircrew were instructed that their survival knife (worn in a pouch on the thigh) was the tool for breaking out. This is one available, later model than we had, but all had a serrated edge for use as a saw.
https://www.amazon.com/Ontario-USN-1.../dp/B000MD69WS