Try pulling a sling off your shoulder with ice-tools in hand, or chickenwinging an OW, and you'll learn a lot about "waste of energy".    
  
K 
  
DONE THAT, 
  
BEEN THERE 
  
WHATS NEXT? 
  
ALSO AS I RACK UP FOR THE PITCH I CAN USUALLY SEE WHAT I AM ABOUT TO COMBAT AND ADJUSTER FOR IT.  I DO NOT ADOPT ONE STRATAGY FOR CLIMBING.  I LIKE IT ALL!! 
  
SITUATIONAL MY FRIEND!!!   
  
BUT I AM SURE YOU KNOW THAT!!