Per the MHSAA

This is failure to be properly equiped.  The shorts worn over the tights, even though pads are in place, does not meet the specifications for legal pants.

I have been searching the web for some good training films that I think you might enjoy studying.  I will continue to search and put up more videos in the future.

                                  Line of scrimmage(link below)

https://vimeo.com/user18204278/review/135084208/c17973f690

              Down, fumble, progress and goal line(link below)

https://vimeo.com/user18204278/review/135076373/a36634b9a4

Line to gain/holding/Scrimmage kicks

Blocking below the waist/Free blocking Zone

                                  Click the link below

                             https://vimeo.com/572699660

Play clock management

Pass Interference

Illegal hits..Blocks in the back

Please note that in some games the MTFOA puts their UMPIRE on the same side as the Referee.  We do not do that in Michigan

Dead ball personal fouls/Illegal Participation

Passing plays/Catch-no catch

Scrimmage kicks and kick offs

Please note that the narrator uses the term OFF SIDE instead of ENCROACHMENT.  There is NO off side in high school football.  Also, you will see some poor mechanics as well as good mechanics.  See if you can identify some of them.