12.10 Tomahawk & Knife. Individual matches are held for tomahawk and knife throwing. A schedule of the divisions of categories of competition is published in the match program. A minimum of one full revolution of the tomahawk or the knife is required. The match officer may establish a minimum throwing distance if required. The tomahawk must be single edge and that single edge must be no greater than 4" in length. Knives must be a traditional, usable style with at least one edge sharpened for use back to the hilt. The knife handle must be thicker than the blade and made of or covered with a natural material.

Two books of interest are:Knife Throwing, Sport/ Survival/ Defense by Blackie Collins(Log Cabin #700404). Knife and Tomahawk Throwing by Harry McEvoy (Log Cabin #701213). 

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------