Please watch these videos here:

Trick #14 Tutorial (Domino Wall, Alternating Technique, no Endpoints):    • Trick #14 Tutorial (Domino Wall, Alte...  
What is the Minimum Domino Height of a Standard Wall to Build?:    • What is the Minimum Domino Height of ...  

Credit to ‪@B16Dominoes‬ and ‪@micajodomino‬ for giving helpful feedback to improve during tutorials!

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Full Playlist of Domino Trick Tutorials are from here:
   • Quick and Efficient Domino tricks tut...