Most undercalled or in fact disregarded penalty is the cross-check/cross-check hold. It used to be if your shaft hit a guy between the hands it was a penalty. Period. Hands had to be together if you were going to punch/jab. Now forget about it. And the bruises on the kids arms and backs are there as proof. I wish this penalty and illegal defensive technique would be enforced, but instead it has been forgotten for some reason. Why?