I use a modified hoe. I added a rim and ground the front to match the contour of the drum. Then I shop vac out the remaining.
Some folks use a shallow ash pan, but I'm not sure if I could navigate it past all the grate bolts and the stem of the thermometer. I believe someone here posted a picture of a smaller doggie pooper scooper that had sides on it, said it worked good.
KCBS - CBJ
Big Green Eggs, Big Drum Smokers, Big Chiefs, Weber Smokey Joe "Custom Tall Boy"
Oil Patch Horizontal
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Barbecue is not rocket surgery