#1 Bats and Sledgehammers
Sting carried a baseball bat with him to the ring for the remainder of his career after transforming into the "Crow" version of his character. Many in WCW and WWE felt the wrath of that bat, but they didn't feel the full force that could come with a grown man swinging it at you.
Much like with some chairshots, if Sting used the bat to hit someone in the stomach or face, he would usually put his hand over the end of it. The same was done by Triple H with his iconic sledgehammer and it never actually made contact with someone's face or body.
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With the bat, Sting would sometimes swing it at someone's back, but he'd know how to deliver a hit and pull back at the very last moment. If anything made contact with his opponent, it was the skinny end of the bat and it was a very light blow.
That's not really something that was feasible with a sledgehammer which is why you never really saw Triple H swing it at someone after pulling it back over his head.