Aren't those the oak chips, made from thier old barrels? I have never used them, but they sound good. I would use them like I use oak. Let us know how it turns out.
"And remember.... the most important safety rule, is to wear these safety glasses" Norm Abram, Master Carpenter
18 1/2" Weber Kettle, Brinkmann Charcoal Smoker
Bradley Pellet Smoker, cinder block smoker