Rapid Assault Tools 19 Inches RatBar Titanium Pry Bar 5.11 Rush Series This is the same principle

This is the same principle that helps PAPR hoods work

Battery Type Nickel-metal Hydride

Power Source: (2) 18650 Batteries

and it is held in place by the pressure that this knob puts on the metal bracket

Rapid Assault Tools 19 Inches RatBar Titanium Pry Bar 5.11 Rush Series This is the same principle19" lightweight titanium pry bar with 90 degree adze end. Tapered, curved ends for easy insertion and maximum leverage. Powder coated black. Superior strength, durability and lightweight titanium makes the Titan the Pry bar of choice for the Special Operations Community. Easily carried in a MOLLE loop, pack or pocket, this bar is provides maximum strength in a lightweight small package. Tapered, curved ends for easy setting and maximum leverage.