ok since i am a beginner,i figured i would"nt blow a ton of money on my 1st,anyway dixie gun works has a indian throwing hawk kit, regular 39.00 marked to 19.00 on sale,but the head says "wax cast steel head requires hardening and sharpening.i thought putting my own hawk together would be cool,do i have to harden it,how,in my oven?i"ll save up for a bearded axe.