From a Two-Faced Line or other applicable formation. 
 Ends Cross Fold as Centers Trade & Step Forward. 
 A Two-Faced Line ends in a Mini-Wave Box. 
Notes:
- 
 Only the original Ends can Roll. 
- 
 According to the CALLERLAB definitions, when Cross Fire is done from Out-Facing Lines,
    the ending formation is a 1/4 Tag formation.  We disagree. 
| |   |  | This is the starting formation for each of the following:
 |  |  |  |   |  |   |  | Cross Fire according to CALLERLAB
 |  | Cross Fire according to our definition
 | 
 | 
 For more information, see 
  The Crossfire Controversy 
  See also 
  Crossfire from Inverted Lines - 2/9/95 
  by Stewart Kramer. 
Straight Fire [C4]:
 From Parallel Two-Faced Lines, Facing Twin Diamonds, or other applicable formations.
  Centers Trade & Step Forward as Out-Facing Ends Cross Fold as In-Facing Ends Veer Inward.
  Parallel Two-Faced Lines end in Columns.
| From a Two-Faced Line: 
 |   |  |   |  | before Straight Fire
 |  | after 
 | 
 |