tool (sth/sb) up
informal— phrasal verb with tool
to get together the equipment you need for doing or making something:
All you need to tool up for the trip is a good, waterproof stuff sack.
The factory was tooled up for high volume production.
to arm yourself (= get weapons ready) in preparation for something:
They tool up and go out looking for a fight.
I don't think we should tool up the police with automatic weapons.