This replaces the knife and smoke grenade. If the original authors wish for me to take down this or remove their work, I will.
No idea if worlds work online, can't change it regardless.If you get an error, just delete the world model files from the models/weapons folder.
Put the contents of either the "teddy" or "stielhandgranate" folders into the cstrike folder.
Other release to sum up with this can be found here.