Re: Striking all along ( Wrong. Apologies.)
I choose bottle/club because I'm simply trying to drill the concept of simulated weapons strikes into rookies. Addressing the full complexity of weapons and strikes can be pretty confusing. Blades don't need squat for momentum to be effective. It is just that speed of attack is generally important to seize the initiative and overcome defenses.
Momentum is not the only factor in the effectiveness of a strike. A nerf ball and a steel ball with the same mass thrown at the same velocity are not equally effective. Same momentum, vastly different result. But if you get out of the way - neither are effective.