Stab and bludgeon-proof body armor demonstration - GIF

[NeiljohnUK]

After the first, but certainly no more than the third strike, the attacker will realize what's wrong and change the target point to somewhere not protected by the armor.
Like femoral artery, jugular vein, carotid artery, etc.

It seems 'trained' insurgents target the neck to start with, form our experience in Londonistan...