User blog comment:GunsSwordsFlames/Commando perk in Black Ops (A different way)/@comment-1901796-20100702174940

I think that you should have different knives which should be secondaries.

Knife : All around

Tac. Knife : Faster but short range

"Commando" Knife : Long range but slow drawback

Bayonet : Attachment, like Commando but slightly longer.