Homemade plug knockers?

[Craw]

Anyone have any ideas on a simple, do-it-yourself plug knocker?

Just so you know...I don't have the means for any lead pouring. I'm

really interested in everyone's ideas. Help please...Thanks

[fish-fighting-illini]

 I've heard of people using used spark plugs. I'd wire 2 together if it was me for more weight.

[Triton21]

Wire a snap swivel to a 1oz bass casting sinker.   Snap the swivel on the hung line.  Jiggle when weight hits the lure.  Will work 90% of the time.   Better do 2 or 3 as you will lose the sinker and swivel the other 10% of the time.

Kelley