A cool way to make a less then lethal round for your shotgun is:

Empty the shot out of your shell, by cutting the top of, opening it up. (BE CARFULL)

Fill the now empty load with silicon rubber, and wait for it to cure.

As I said BE CAREFULL this is not a safe round to shoot your buddies with! My brother uses them to move cattle. So a round of one of these may not kill but, it will put a serious hurting on you.
McLuvin Reviewed by McLuvin on . MMJ Patient Shoots Home Invasion Good to see someone taking his 2nd Amendement right seriously. C/P KOMONEWS KIRKLAND, Wash. -- King County sheriff's deputies say two people were shot and injured during a home invasion near Kirkland - and the robber may have been after medical marijuana. Sheriff's spokesman John Urquhart said the home is known to authorities as a medical marijuana grow site. "We're assuming that's probably the motive behind this robbery," he said. Rating: 5