Even more Impetus

 Okay, it's not Impetus, but It's Warm Work

 Definitely Impetus

 Again, Impetus

 Probably training for Impetus

Knights riding down Romans in what can only be yet another game of Impetus

Post Script

Apparently in my previous post I had called a FoG game Impetus.  How embarrassing!  To think people still play those rules when they could be playing Impetus.  :-)