The kickback with an auger this potent can sprain or split a wrist. For the most secure effects, use this auger (and all handheld ability augers) in soil that doesn’t have massive rocks or tree roots.  At https://bookmarkinglog.com/story18137506/how-much-you-need-to-expect-you-ll-pay-for-a-good-post-hole-digger-hire