I've always wanted something like that- I've got two Jerry Can spots on my Jeep but no need to carry fuel, and I always thought that would be a functional way to utilize them. Of course these days you'll get all your tools stolen, storing them like liquid gold!
Possibly prevent theft of your tools by bolting the toolcan down... kinda funny thinkin' about a sh%thead wrassling a bolted down gas can
'95 SMB E350 Quigley 7.3 https://www.taylorarts.com
... If you have to ask, you'll never understand...
"... torpedo'd, because we don't generally cotton to bullshit around here." -jage
"... do they ooch apart in the night?" -Dia