ABC7 News first demonstrated the BolaWrap last fall.
It shoots out a seven-and-a-half-foot cord that wraps around a person with two anchors that replicate fishing hooks.
RELATED: SFPD may consider new 'lasso tool' to detain non-violent suspects. Here's how it works
SFPD may consider new 'lasso tool' to detain non-violent suspects
It's a non-lethal alternative to tasers, guns, or batons.
The San Francisco Chronicle reports that specially trained San Francisco police officers will be equipped with the lasso-like restraint tool in the coming months.
The makers of BolaWrap say it's used by more than 1,000 law enforcement agencies nationwide.