My two favourite impact weapons. The sap weighs 14 oz's and the other has some heavy lead in the end, so both can do some SERIOUS damage. If it comes to that... :
Great Ca. 1900 Lead-Loaded Leather Sap in Wonderful, Supple Condition: Flying Tiger Antiques Online Store
Police Leather Sap Lead Filled Impact Weapon - BadGuyStuff.com | Leather, Sap, Leather projects
Maximum Force: Fighting with the Sap eBook : COOK, DARRIN: Amazon.ca: Kindle Store