Jammers start ~30ft. behind the jammer line (or, for a low-impact version, have jammers right behind the jammer line and start 5sec. after the teams start).

Blockers start outside of the track: one blocker of each team on the following positions:

1. Inside the track, on the jammer line
2. Outside the track, on the jammer line
3. Inside the track, on the pivot line
4. Outside the track, on the pivot line

On the trainers signal, all skaters can enter the track and start to reform.

This drill can be adapted to make it simpler, by only using blockers from one team or by including 3 instead of 4 blockers per team.

Teams are reformed and in a good position to block once the jammer enters the pack.

Jammers make good used of any residual "chaos" in getting past the blockers.