
KROM
For now, I just found this information on the website of the WAA :
ILLUSTRATED NOTE ON ATLATL SPURS IN THE
ARCHAEOLOGY OF CUBA
By Alfredo E. Figueredo
http://waa.basketmakeratlatl.com/wp-content/uploads/2013/02/R_Illustrated-Note-on-Atlatl-Spurs-in-the-Archaeology-of-Cuba.pdf