Starting on the baseline sprint to the free throw line. As the player approaches the line they slow down with short /choppy steps to get into a defensive stance (closing out) and start “Footfire” on the spot for 5 secs and sprint to the half-court etc..
Screen Symbol used for "closing out"

Prepare players for “closing out “on an attacking player who have the ball or later when setting “screens”.
Change of pace in a controlled fashion

Have players close out against a chair,
A player who will use foot fakes,
A player who will use fakes and go “1 on 1” to the basket