Who said the belt is leaving welps and bruises? You seem to be making an assumption based on a previous incident with a completely different object.

Don't get sucked into this crap that the media is trying to pull. They are taking advantage of a situation where they have a public figure who made negative headlines, and they are attempting to equate anything he does from here on out as abuse, so that, by extension, anyone else who uses a belt is also abusive.

Regardless of whatever you think of Adrian Peterson, in particular, this is just the continued attempt of the left wing media to drive home the idea that discipline is abuse.