Projection is another defensive tool with wide applications.
The Beam Gun is a defensive tool used by the Rock Raiders to protect themselves from the monsters.
Philosophy is characterized as both a defensive and offensive tool of faith.
As with squid, the ink is a defensive tool, squirted out to cover its retreat in the case of danger.
A defensive tool need be little more than a pointed stick, or hands could pick and hurl rocks at the animal predators.
"I wish we had some kind of long-distance defensive tool," Varian said, scratching her ear.
The Fen played an important role in many ancient battles both as a strategic barrier and a defensive tool.
"The field is a defensive tool, not offensive," Tuvok countered.
"Let's assume this is some dampening field the Romulans have developed as a defensive tool."
As a defensive tool, it could put the ninjas out of business.