I have read where people have done that. I also have read where people put them in a "pillow case" and then ran them over several times with a car/truck to break them up some more.
Bruce

Pillow case and truck works great :) (Just don't tell the wife)

Bill

Lawn mower and catcher bag.......

I did it the old fashion way. My body is still sore today. They started out as Pine bark mini nuggets but I got them to a decent size after about 12+ hours for a half of yard.

But so far they tomato plants are doing well and gona buy more for my hot peppers next week.

Here is a link that might be useful: Pine Bark Chipping

I ran three half bags though the chipper.

What a mess! A chipper is a powerful air compressor and blows the results all over the neighborhood! After the first load, I put down a 20' x 20' drop cloth under the machine and managed to catch most of the fines on the cloth and in my hair.

At any rate, after screening I got the equivalent of two more bags so saved about $8 - and not having to screen them. I guess it's a fair trade-off...

butcher, you have way too much time and blisters on your hands.

Dennis