From Facing Lines (or a R-H Tidal Wave).

1. Concentric Pass In;
2. Ends Pass In as Centers Pass Out;
3. all Pass In.

Ends in Facing Lines.

Chisel Thru is a 3-part call.

Alternative definition: Concentric Pass In; Split Pass In; Pass In.

before Chisel Thru   after Concentric Pass In (1/3 Chisel Thru)   after Split Pass In (2/3 Chisel Thru)   after Pass In (done)

• Centers think In-Out-In: Pass In; Pass Out; Pass In.
• Ends think In-In-In: Concentric Pass In; Pass In; Pass In.

• From Facing Lines, you start & end with the same partner.
• Callers often Replace the final Pass In with another call.

Split Pass In [NOL]: From Facing Couples or other applicable formations. Pass Thru; 1/4 In (i.e., working in your 4-dancer setup do a Pass In).