The Smallest Minority on earth is the individual. Those who deny individual rights cannot claim to be defenders of minorities. - Ayn Rand
For best results you may want to retrofit your toaster with some fresh 1911 springs!
Leggo my Eggo!... er, I mean, "Pull!"
"Six days old, I'd bet they "dust" pretty good, too!"
Better yet, the shards would attract both ground and aerial targets that move erratically, some of which might even taste good!
I perfected my rock-skipping when I went "car camping" with some friends fifteen years ago. There was a small stream near our campsite, across which I
skipped rock-hard glazed donut "holes." We opened them up the night before, and had a few. They were rocklike by morning, and made for excellent,
presumably biodegradable "practice ammo."
And when the birds show up to munch on the detrius, you'd have secondary targets.