Can chainmail stop a stab?

Riveted mail rings (often combined with solid punched rings to save labor) is highly resistant to both slashing and stabbing.

Is Katana good for thrusting?

The Japanese katana, famous for its cutting power, is actually a fairly good thrusting sword as well and such techniques were especially taught for battlefield use against armor.

Are swords meant for stabbing?

Many swords are designed for both thrusting and slashing. Thrusting swords such as the rapier and eventually the smallsword were designed to impale their targets quickly and inflict deep stab wounds.

Is it better to stab or slash?

Slashing can be used to as a diversion, slashing makes your enemy back up, that gives you time to run, stabbing is if you are required to use deadly force. As depicted in another answer it is a lot more dangerous to stab because you can lose your grip or your knife for example.

Can Spears slash?

If spears are done correctly, then they will be perfectly fine. I understand that sweetspots are bad for most weapons, but why make it a “sweetspot.” The tip and blade of the spear do piercing/slashing respectively, and the shaft does blunt, and should be less effective then a quarterstaff.

What is the best knife for slashing?

Here Are the Best Self Defense Knives (Fixed Blade and Folding)

Cold Steel Tai Pan 3V.
Cold Steel Black Talon 2.
CRKT M21-14SF.
Spyderco Harpy Single Blade.
Benchmade Infidel 133BK.
Benchmade Turret 980 EDC.
Kershaw Brawler. Check Price on Amazon.
Fox Knives G10 Karambit with Emerson Wave. Check Price on Amazon.

Can a spear be used for slashing?

Although not a usual tactic by any means, slashing with a spear would be an effective maneuver if you needed another second ro two in order to line up a killing blow. Or simply as a means of disabling someone.