How effective were blackjacks or lead-weighted leather saps for police back in the day? Would they be useful today to help de-escalate situations more quickly so firearms don't have to be used
![Police Security Blackjack 2AA Flashlight - Tactical LED Ultra Bright - 140 Lumens - Small, Efficient, Rugged, and Dependable - Water Resistant - Everyday Carry - Great Stocking Stuffer - Amazon.com Police Security Blackjack 2AA Flashlight - Tactical LED Ultra Bright - 140 Lumens - Small, Efficient, Rugged, and Dependable - Water Resistant - Everyday Carry - Great Stocking Stuffer - Amazon.com](https://m.media-amazon.com/images/I/61oVN1HmJwL.jpg)
Police Security Blackjack 2AA Flashlight - Tactical LED Ultra Bright - 140 Lumens - Small, Efficient, Rugged, and Dependable - Water Resistant - Everyday Carry - Great Stocking Stuffer - Amazon.com
Rare Circa 1930s/40s Police Blackjack Billy Club- Leather Wrapped Lead Filled #1599482 | Auctionninja.com
![Vector Police Head Cartoon Cap And Blackjack Stock Illustration - Download Image Now - Adult, Adults Only, Argentina - iStock Vector Police Head Cartoon Cap And Blackjack Stock Illustration - Download Image Now - Adult, Adults Only, Argentina - iStock](https://media.istockphoto.com/id/1410351808/vector/vector-police-head-cartoon-cap-and-blackjack.jpg?s=612x612&w=0&k=20&c=0kMeeLZsXVdmRj6eWLCJrNQkZ9hOkM1XNL94Q3u9NeE=)