free play.
You'll see "self starts" after penalties trying to help speed up the game.
There is no offsides. Again, trying to help offense.
The stick is one sided. Unlike ice hockey. That's one reason you often see the offense run the play up the sideline towards the goal. Limits what the defense can do.

As a note, Tech's former football whip, DJ Di Nardo's sister is providing analysis and technical assistance for this NBC Olympic coverage. She is former All-America FH player at UNC.