When the snag maneuver is used on a rear wheel drive vehicle such as this Suburban, the opposite wheel locks up as well. Many Chevy pickups and SUVs have the Eaton G80 differential that makes this possible. No tether needed in this pursuit.
Stopping a front wheel drive vehicle: Using a net to lock the rear wheel of a front wheel drive vehicle will only slow it down and flatten the tire. The vehicle may still travel at higher speeds. If stopping the suspect is vital in protecting the public, the tether option should be used.
Extreme caution and adequate training is important when using this device especially on an uneven surface such as a dirt road! Watch as the wheel that isn't locked up breaks traction slowing the vehicle to a stop.
Fast forward to 11 minutes on this chase to see how the officer's adrenaline ends him in a direct line of fire with the suspect and other officers. With the 'Snag' maneuver, the same adrenaline dump occurs but is not as dangerous for a police officer since 100% of the process is performed behind the suspect vehicle.
An officer can bring a suspect vehicle to an absolute stop in a matter of seconds while choosing the 'Tether' option. With the flip of a switch before, during or after deployment, the tether is releasable allowing the officer to create further distance from the suspect.
This F-350 Powerstroke diesel is easily stopped by a standard equipment Tahoe.
This is one example of the how the Grappler vehicle arresting device can be disguised in order for your SWAT team to stop a suspect in a tactical 'street jump' operation
The snag maneuver can be performed on many different size vehicles!