Do these gizmos work?

[Wiggles (Paul Wigton)]

Making a Lead Hammer

I decided to make a lead hammer for knockoffs. I wanted one heavier than the standard one sold by the usuals. The mold: I used a steel 2" diameter air freshener spray can. After insuring all the pressure was out I cut it down to 3-7/8 inches. The bottom of the can was domed inward. I used my hydraulic press and a used disc brake piston to push it flush with the bottom of the can. I drilled a 7/8" hole exactly halfway between the two ends. The volume of the can minus the space taken up b…